INDEX OF SUBJECTS.Absorptiometer, Spekkcr, 402.Absorptiometry, 401.Aconaphthylene, crystal structure of, 449.Acetaldehyde, low-temperature oxidationphotodecomposition rate constants of, 47.reaction of hydroxyl radicals with, 30.of, 25, 42.Acetaldehyde, trifluoro-, 177.Acetaldehyde dehydrogenase, 340.Acetanilide, structure of, 457.Acetic acid, aluminium salt, 103.determination of, 395.isopropenyl ester, as acetylating reagent,,thermal decomposition of, 38.2’4-dichlorophenoxy-, determination of,difluoro-, and trifluoro-, and its ethyl156.Acetic acid, chloro-, uranyl salts, 116.414.ester, 177.Acetone, photolysis of, 48.Acetone, hezafluoro-, 177.Acetophenone, cis-benzylidene-, 150-Acetyl phosphate, preparation of, 156.radical, heat of formation of, 23.Acetylation, 156.Acetylenes in organic synthesis, 166.Acetylenic compounds, halogen additionAcids, aliphatic carboxylic, 170.aromatic, salts and esters, crystalcarboxylic, determination of, 395.fatty, preparation of, 158.monobasic, and their salts, crystalAcrylic acids, a-substituted, preparationActinium, pure, preparation of, 104.Actinomyces, antibiotics from, 290, 294.prodigiosin-like pigment from, 278.Actinomycin, 294.acid hydrolysis of, 176.Actinorhodin, 295.Acylamino-acids, anhydrides of, 163.Addition reactions, 126.Adenine hydrochloride, crystal structurepreparative uses of, 159.to, 131.structure of, 458.preparation of, 160.structure of, 442.of, 159.of, 465.methylthiodeoxypentoside, 266.Adenosine, periodate oxidation of, 259.phosphates, 262, 267.synthesis of, 260, 261.Adipic acid, crystal structure of, 442, 444.Adrenocorticotrophin, 366.Adsorption at non-uniform surfaces, 54.multilayer, 58.Aerosporin, 296.4Bitioporphyrin I, 273, 283.Agenising of flour, 173.Agrocybe dura, antibiotic from, 289.Agrocybin, 289.Albumin, bovine-serum-, solut,ion of dyesserum-, light scattering of, 90.Alcohols, carbonation of, 161.crystal structure of, 439.determination of, 392.Alcohol dehydrogenase, 339.Aldehydes, determination of, 394.oxidation of, 42.photolysis of, 48.preparation of, 160.unsaturated, dipole moments of, 19.Alicyclic ring compounds, crystallographyAliphatic compounds, crystallography of,Alkaloids, determination of, 397.Alkyl halides, elimination from, 137, 138,sulphides and polysulphides, crystalAlkylammoniun salts, crystal structure of,Allene, vibrational-rotational spectrum of,Alloxan, determination of, 398.Alloys, analysis of, 387.Alterrulria sotani, antibiotic from, 290.Alternarine, 290.Aluminium borohydride, oxidationin, 82, 83.of, 448.438.141.structure of, 440.441.16.structure of, 429.initiated by, 41.compounds, 102, 103.determination of, 378, 382, 410.hydride, Raman spectrum and struc-nitride, determination of, in steel, 381.oxide, stability of suspensions of, 84.ture of, 11.Ambratriene, 203.Ambrein, 203.Americium, separation of, 118.Amides, determination of, 393.Amine picrates, conductivity of, in toluene,Amines, crystal structure of, 441.Amino-acids, 173.preparation of, 161.75.determination of, 393.preparation of, 161.crystal structure of, 446.determination of, 393.requirement of, by man, 330.by poultry, 314.by swine, 323.separation and determination of, 417.INDEX OF SUBJECTS.471Amino-groups, determination of, 393.protection of, in peptide syntheses, 162.Ammonia, mercury-photosensitised de-Ammonium nitrate, isotopic effect in de-permanganate, explosion of, in air, 123.phosphomolybdate, precipitation of,Amni vimaga, active principles from, 223.hnperometric titration, 41 1.a- and 8-Amyrins, 199.Analysis, reagents for, 374.Anhydrides, N-carboxy-, polymerisationof, 251.Anhydro-bases, 228.Aniline hydro-bromide and -chloride,crystal structure of, 456.Aniline, p-iodo-N-picryl-, polymorphismof, 457.Anionotropic rearrangements, 142.Anodic passivation, 73.Anthracene, crystal structure of, 433, 434,derivatives, crystal structure of, 462.determination of, 403.clinical uses of, 302.mode of action and acquired resistancecomposition of, 45.composition of, 27.384.453.Antibiotics, 285.to, 298.Antiferromagnetism, detection of, 431.Antimycin A, 294.Antrycide, determination of, 398.Aromadendrene, 196.Aromadendrone, 196.Aromatic compounds, bromination andiodination of, 159.crystallography of, 452.polyc yclic, 180.energy of, 13.pure, preparation of, 111.reagent for cadmium, 375.Arsenic trifluoride, vibrational-rotationalArsonium chloride, methyltriphenyl-, asAscaridole, 193.D-Aspartic acid oxidase, 345.Aspergillus, amino-acid oxidases of, 345.Atom-photosensitised reactions, 45.Aureomycin, 293.Auxin-b, 231.Ayfivin, 295.Azides, determination of, 378.Azobenzene, cis-truns-isomerisation of, 30.Azonitriles, decomposition rates of, 26.Azulenes, 187, 196.spectra of, 9.Azulenes, hydro-, 197.Baccatine A, 289.Bacillus prodigiosus, pigment from, 277.Bacitracin, 295.Bacteria, antibiotics from, 295.Gram-negative, somatic antigens from,toxins from, 303.313.Baikiaea plurijzsga, 175.Baikiain, 175.Basidiomycetes, antibiotics from, 289.Benzaldoxime, sym-p-chloro-, structure of,Benzene, emission spectrum of, 9.Benzene, chloro-, fluorescence spectrum of,fluoro-, fluorescence spectrum of, 10.halogen derivatives, crystal structure of,nitro-, dipole moment of, 18.m- and p-dinitro-, crystal structure of,nitroso-, dimerisation of, 456.Benzhydrazide, p-iodo-, as reagent forpreparation of ketone derivatives,160.Benzidine change, 145.Benziminazole, 5 : 6-dimethyl-, 240.Benzofurans, 222.Benzoic acid, photo-oxidation of, 51.Benzopyrans, 226.Benzopyranols, 228.Benzothiazole, mercapto-, polarographyBenzoyl peroxide, decomposition rate of,Benztropolones, synthesis of, 185.Berkelium, 1 18.Beryllium, determination of, 378.Betulin, 202.Blood, determination of protoporphyrinBlood cells, action of lecithinases on, 306.Blood-group A substance, 248.Bond-dissociation energies, 22, 26.Borohydrides, infra-red spectra of, 15.Boron compounds, 101.Botulinus toxins, 310.Brain, horse, acid from, 17 1.Brass, electrolytic, 72.Brassidic acid, synthesis of, 17 1.Brazilones, anhydrotrimethyl-, 225.Bromination of aromatic compounds, 159.Bromine, addition of, to olefins, 127, 128,457.10.454.hydroxylation of, by X-rays, 52.surface tension of solutions of, 76.455.of, 410.25.in, 276.determination of, 378.129.cations, existence of, 123.determination of, 381.trifluoride, absorption spectrum of, 7.as fluorinating agent, 120.Brornoform, determination of, 398.Burner cones, photographs of, 44.Butadiene, addition of 2-akylpyridinesButadienes, 8-substituted, syntheses with,Buta-1 : 3-diene, burning velocity of, 44.cycloButane, octafluoro-, structure of, 2 1,1 : 2 : 3 : 4-tetruphehyl-, crystal struc-Butenes, mercury-photosensitised hydro-to, 158.178.449.ture of, 449.genation of, 46472 INDEX OF SUBJECTS.isoButene, catalysed polymerisation of,tert.-Butyl chromate as oxidising agent,hydroperoxide, thermal decompositionn-Butyric acid, y-amino-, from beetroot,36.153.of, 25.173.heptafluoro-, 177.sulphate complexes with quinoline, 100.Cadmium, determination of, 382." Camdosin ", 348.Caesium, extraction of, 99.Calameon, 195.Calciferol, conf5guration of, 2 15.4-iodo-5-nitrobenzoate, crystal struc-Calcite, electrokinetics of, against electro-Calcium, determination of, in water, 385.Californium, 119.Carbinol, isobutylethylmethyl-, resolutionof, l48,.," Carbates , 376.Carbazoles, tetrahydro-, 239.Carbohydrates, crystallography of, 450.from nucleic acids, 258.requirement of, for cattle, 326.ture of, 468.lyte solutions, 81.dichromate hydrates, 100.for man, 332.for poultry, 316.for sheep, 328.388.Carbon arc as infra-red source, 13.determination of, in organic compounds,in steel, 383.tetrafluoride, photosensitised decom-heat of atomisation of, 22.monoxide, determination of, in air, 386.disulphide, absorption spectrum of, 8.Carbon-hydrogen bond, dipole moment of,Carbonyl compounds, preparation of, 160.Carnations, chromone constituents of,&Carotene, synthesis of, 166.cis9 : 9'-/3-Carotene, 169.Carotenoids, 166.Carotol, 195.Carragheenin, 247./3-Caryophyllene, 19 7.Caryophyllenic acid, 197.Catalases, 249, 348.Catalysts, hydrogenation, 154.Cattle, nutrition of, 324.Cells, Tiselius, 81.Cellulose, nitro-, molecular properties of,Cerium sulphides, 105.Chain extension, 156.Chemisorption, 66.Chitin, 248.position of, 46.oxidation of, by iodine, 105.14.groups, determination of, 394.229.89.Chloral hydrate solutions, action of X-raysChloramphenicol, 292.Chlorin, tetraphenyl-, zinc complex of, 283.Chlorins, 274.Chlorine, addition of, to olefins, 127, 130.trifluoride, absorption spectrum of, 8.oxides, 121.Chlorites, analytical chemistry of, 379.Chloroform, determination of, 398.photochlorination rate of, 60.Chlorogallates, 103.Chlorohydrins, preparation of, 159.Chloromycetin, 292.Chlorophyll series, 274.Chloroprene, dimer of, 189.Chromatography , 4 14.of antibiotics, 287.partition, with polysaccharides, 247.Chromium compounds, 113, 114.determination of, in steel, 382.electrodeposition of, 72.Chromobacterium iodinum, antibiotic from,Chromones, 229.Chromoproteins related to vision, 169.Cinerins, 204.Cinerolones, 205.Circulin, 296.isocitric acid dehydrogenase, 342.Citrinin, 228.Citromycetin, 227.Citromycin, 227.Citromycin, O-dimethyl-, 227.Citromycinol, O-dimethyl-, 227.Citrom ycinone , 0 -dime t h yl- , 2 2 7.Clathrate compounds, 98.Clay sols, stabilisation of, 84.Clitocybe itludens, antibiotics from, 290.Clostridium species, lecithinases from, 305.Coacervation, 84.Cobalt complexes, 124.Coenzymes, 337.Colchicine, 185.Colloids, physical chemistry of, 76.Columbium.See ypbium." Conchoporphyrin , 275.Conductometric titration, 408.Copaene, 195.Copolymerisation, 33.Copper, anodic polishing of, 73.chromite, 154.complexes with amines, 99.Copper-protein enzymes, 347.Cordycepin, 289.Cordyceps militaris, antibiotic from, 289.Corynebacterium diphtheriae, porphyrinfrom, 278.Cortisone, 211, 215.Coumarans, 222.Coumarins, 236.Coumarins, 4-hydroxy-, 236.on, 52.liquid, density of, 121.298.determination of, 380.electron transport between oxygen and,356INDEX OF SUBJECTS. 473isoCoumarins, synthesis of, 236.Coumarones, 222.Counters, boron trifluoride, 427.Cryptotethia, nucleoside from, 266.Crystals, organic, molecular packing in,Crystallography as means of identification,8- and y-Curcumenes, 194.Curium, separation of, 118.Cyclisation, 155.Cyclophorase system, 358.Cysteine, S-allyl-, S-oxide, 174.Cysthe, synthesis of, 173.Cytidine, 258, 259, 260.Cytidine-2’ phosphate, 262.Cytidylic acid, 257.Cytochromes, 353.Cytochrome-a, prosthetic group of, 277.Cytochrome-c, 352.434.437.electron transport between oxygen and,electron transport from succinate to, 355.Cytosine, determination of, 398.Decane, mercury-photosensitised decom-position of, 45.Decanoic acid, potassium salt, crystalstructure of, 442.Degradation, kinetics of, 34.Dehydrochlorination, 3 7.Dehydrogenases, 3 39.Deoxynucleosides, synthesis of, 262.Deoxypatulin, 235.Deoxypatulinic acid, 235.Deoxypentosenucleic acid, 254.Deoxypentosenucleic acids, structure of,2-Deoxy-~-ribose, 258.Deoxyribosides, 257.Depolymerisation, 34.Deuterioacetaldehyde, photolysis of, 48.Deuteriochloroform, photoahlorinationDeuteriodiborane, infra-red spectrum of,Deuteriohydrocarbons, optically active,Deuterium-hydrogen mixtures for calibra-Dextrins, crystal structure of, 452.Dialkyl chlorophosphonates, 157.Dialysis, 78.Diamond, crystal structure of, 434.1 : 2 : 5 : 6-DibenzocycZooctatetraene, 188.Dibenzyl, and its derivatives, crystalstructure of, 461.Diborane, structure of, 15.Dimes, preparative uses of, 158.Diene synthesis, 177.Dietary factors for poultry, 319.Diffusiometer, Gouy, 79.Diffusion of colloids, 78.9 : 9’-Difluorenylidene, crystal structure356.264.rate of, 50.15.148.tion purposes, 412.with steroids, 208.of, 461.Difructose strontium chloride dihydrate,crystal structure of, 450.“ Dihydronicotinamide-D-ribofurano-side,” 268.ay- and fly-Diketo-acids, preparation of,159.cis- and trans-Diols, acid dehydration of,184.Dioxans, 236.Diphenic acids, perhydro-, 151.Diphenyl, and its derivatives, crystalstructure of, 459.Diphosphopyridine nucleotide, 337.Diphospho thiamine, 337,Diphtheria toxin, 308.Dipole moments, 19.2 : 2’-Diquinolyl as reagent for copper,Disalicylide, 152.Dithionate ion, Raman spectrum andDithionates, analysis of, 410.Di-p-xylylene, crystal structure of, 461.Dodecanoic acid, aluminium salt, 103.Dracoic acid, 228.Draconol, 228.Dracorhodin, 228.Dracorubin, 228.“ Dragon’s blood ’’ resin, pigments from,375.structure of, 11.228.Earths, rare, analysis of, 381.Echinocystic acid, 200.Edestin, mol.wt. of, 249.Electrical double layer, 79.Electroanalysis, 408.Electrodes, mechanism of reactions at,Electrode systems, 74.Elec trokine tics, 7 9.Electrolytes, activity and osmotic co-Electrolytic conductivity, 75.polishing, 72.Electrometric analysis, 407.Electron capture, mechanism of, 53.diffraction, 19.transfer reactions, photo-excited, 51,Electronic spectra, 7.Electro-osmosis, 81.Electrophoresis, 79, 80.Electrostatic precipitator, 386.Eleutherin, 226, 232.+Eleutherin, 227.Eleutherina bulbosa, constituents of, 226,Eleutherol, 226, 232.Elimination rate, effect of constitution on,68.efficients of, 74.232.136.reactions, 134.Emission spectra, 7.Enzyme complexes, location of, in mito-substrates, electron transport betweeneffect of environment on, 140.chondria, 358.oxygen and, 354474 INDEX OF SUBJECTS.Enzymes, isolation and purification of,respiratory, intracellular location of,336.359.Epoxides, 219.bisEpoxides, 220.(+)-Equilenin, 217.Ergothioneine, synthesis of, 176.Erucic acid, synthesis of, 171.Esparto grass, xylan of, 246.Esters, crystal structure of, 439.Ethane, s-bisnitramino-, crystal structureEthanol, photo-oxidation of, 61.Ether, ally1 vinyl, gas-phase rearrange-Ethers, cyclic, preparation of, 165.Ethyl radicals, disproportionation of, 3 1.Ethylamines, 2-phenyl-, 158.Ethylene, induced polymerisation of, 30.oxidation of, 40.oxide, photolysis of, 49.oxides, 219.ultra-violet spectrum of, 8.of, 440, 442.ment of, 38.ultra-violet spectrum of, 8.Ethylene, trichloro-, determination of, indi- and tetra-fluoro-, molecular structureof, 20.tetrafluoro-, induced polymerisation of,49.trans-diiodo-, photoreaction of iodineatoms with, 47.Ethylenes, dinaphthyl-, oxidation of, 183.E thyleneimines, 2 38.Eucalyptus globulus oil, cyclopentenonefrom, 193.Eugenia species, chromone constituents of,229.Eugenin, 229.Eugenitin, 229.isoEugenitin, 229.isoEugenito1, 229.Extinction coefficients from vacuum ultra-blood, 398.violet spectra, 8.by poultry, 316.by sheep, 328.283.Fats, requirement of, by man, 332.Ferriporphyrins, dissociation constants of,Ferriprotoporphyrin, 283.Ferroprotoporphyrin, 283.Ferrous sulphate, oxidation of aqueousFertilisers, analysis of, 384.Films, adsorbed, 76.Flames, hydrogen atoms in, 43.Flavine adenine dinucleotide, 337.solutions of, by X - and yrays, 51.sampling and analysis of, 387,insoluble, 77.propagation of, 42.dinucleotide, 270.mononucleotide, 337.Flavones, 229.Flavonols, 229.Flavoprotein enzymes, 344.Flour, " agenised ", toxicity of, 173.Fluorescence spectra, 10.Fluorimetry, 403.Fluorine, absorption spectrum and dis-sociation energy of, 24.and its compounds, 119.determination of, in air, 386.in water, 385.organic compounds, 176.Fluorocarbons, emission spectra of, 7.Fluorophosphates, determination of, 379.Folinic acid, 242.Formaldehyde, determination of, 394.low-temperature oxidation of, 25.oxidation of, 42.reaction of hydroxyl radicals with, 30.ultra-violet absorption spectrum of, 8.Formamide, dimethyl-, as solvent inGabriel synthesis, 16 1.Formic acid, dehydrogenation rate of,over alloys, 65, 67.Formic acid, chloro-, benzyl ester, prepara-tion of, 162.Formic dehydrogenase, 342.Fradicin, 292.Frog-spawn mucin, 249.Fucoidin, 247.Fulvenes, reaction of, with maleic an-Fungi, antibiotics from, 287.Furans, 221.Furfuryl halides, tetrahydro-, ring fissionof, 222.Fusarium species, pigments from, 227.Fusarubin, 227.Gallium halides, 103.Gamabufotalin, 2 1 1.Gammexane, crystal structure of, 450,451.Gas analysis, 385.Gases, inert, clathrate compounds of, 98.Gelatin, adsorption of, by clays, 82.Germanium compounds, 107.Qibberella baccata, baccatine A from, 289.Ginketin, 230.a-D-GIucose, crystal structure of, 450.Glucose dehydrogenase, 342.Glucose oxidase, 345.Glutaric acid, crystal structure of, 442,D-Glyceraldehyde 3-phosphate dehydro-L-a-Glycerophosphate dehydrogenase, 341.Glycine, deamination of, by a-rays, 52.Glycine, acetyl-, and /3-glycyl-, crystalstructures of, 447, 448.Glycols, cyclisation of, 222.determination of, 392.Glyco-polypeptides, 248.Glycyl peptides, preparation of, 163.Gold tetrachloride ion, structure of, 11.determination of, 380.sols, coagulation of, on dialysis, 84.hydride, 178.toxic, determination of, 386.solutions, 84.444.genase, 340INDEX OF SUBJECTS. 475Gossip01 as reagent for antimony, 375.Gramicidins, 297.Graphite, crystal structure of, 434.electron distribution in, 431.Crrijola confluens, antibiotic from, 170, 290.Grifolin, 170, 290.Growth factors for poultry, 319.for swine nutrition, 323.naturally-occurring, 242.Guaiazulene, 196,Guanosine, 260.Guanosine, benzylidene, 263.Gums, polysaccharides of, 247.Haems, iron removal from, 274.Haem a, 277.Haematoporphyrin, 275.Haematoporphyrin, tetramethyl-, 283.Haemin, preparation of, 276.Haemochromogens, 283.Haemoglobin, crystallography of, 283.preparation of, 276.Haemolysins, 3 1 1, 3 12.Hafnium, separation of, from zirconium,Halides, determination of, 398.108.organic, Szilard-Chalmers effect in, 53.preparation of, 159.Halogen compounds, preparation of, 159.fluorides, 119.Halogens, addition of, in non-hydroxylicsolvents, 13 1.to acetylenic compounds, 130.to olefins in acetic acid, 127.391.in, 132.determination of, in organic compounds,Halogenation, electrophilic, intermediatesHalogeno-amines, rearrangement of, 146.Hardwickia pinnata oil, sesquiterpeneHeparin, 248.Heptane, vapour pressure of polythenewith, 85.Herculin, isomeride of, 172.Heteropolysilicomolybdic acid, 106.I l-Heteropolytungstic acids, 114.Hexamethylenediamine dihydro-bromideand -chloride, crystal structure of,441.cycZoHexane, tetra-bromo- and -chloro-derivatives, crystal structure of,450, 451.1 : %epoxy-, crystal structure of, 449.Hexanoic acid, potassium salt, crystalstructure of, 442.cycZoHexy1 hydroperoxide, dissociationrate of, 26.Hiptagenic acid, 176.Hofmann rule, 136.Hormones, anterior-pituitary, 360.administered to pigs and swine, 324.administered to poultry, 320.administered to sheep, 330.from, 195.effect of, administered to cattle, 327.follicle-stimulating, 36 1.Hormones, growth, 370.Hydrxarbons, aliphatic, 166.interstitial-cell-stimulating, 363.lactogenic, 364.aromatic carbocyclic, crystal structureatom-photosensitised reactions of, 45.crystallography of, 438.mixed, spectrometric analysis of, 24.oxidation of, 39.solubilisation of, in s0a.p solutions, 83.reaction of, with olefins, 46.bromide, effect of, on gas-phase oxida-tion, 41.cyanide, liquid anhydrous, propertiesof, 105.determination of, in organic compounds,388.deuteride, vibrational-rotational spec-trum of, 14.electron capture by, 53.overpotential, 68.peroxide, absorption spectrum of, 8.reaction of deuterium with, a-ray-induced, 53.vibrational-rotational spectrum of, 14.of, 453.polycyclic, oxidation of, 182.Hydrogen atoms in flames, 43.Hydroxy-acids, crystal structure of, 445.Hydroxyl, potential of, 71.Hydroxyl groups, determination of, 392.H.ydroxylamine, N-benzoylphenyl-, asanalytical reagent, 374.Hypoiodous acid, acid dissociation cons-tant of, 122.Ice, structure of, 429.Illudin, 290.Infra-red spectra, 12.Insulin, structure of, 250.Inulin, dahlia, 247.Iodides, organic, photolysis of, 49.Iodination of aromatic compounds, 159.Iodine, absorption spectrum of, 8.addition of, to olefins, 128.atoms and molecules, rate of exchangecations, existence of, 122.monochloride as ionising solvent, 122.cyanide, 123.,determination of, in phosphate rock,penta- and hepta-fluorides, structure of,heptafluoride, 12 I.of, 31.solutions, polarisation of, 18.384.15.Iodinin, 298.Ionic processes in non-aqueous solutions,74.Ionisation of macroelectrolytes, 95.y-Ionone, &hydro-, 204.Iridosmine, analysis of, 381.Iron compounds, 124.determination of, 380.Iron-porphyrin proteins, 346.Isatin, crystal structure of, 463476 INDEX OF SUBJECTS.Isotopic effects, 27.Javanicin, 227.( f)-Kawain, synthesis of, 230.Kessyl alcohol, 197.Keten, photolysis of, 48.a-Keto-lactones, properties of, 231.Ketones, cyclic, condensation of, withni tromalondialdehyde, 190.tracers in adsorption investigations, 57.photolysis of, 48.preparation of, 160.unsaturated, dipole moments of, 19.Ketones, diazo-, Wolff rearrangement of,161.Kevisin, 225.Khellin, 222, 223.Khellinone, 223.Kinetics of chemical reactions, 21.Lactams, 238.k!- actic acid, determination of, 395.Lactic dehydrogenase, 342.Lactobacillus arabinoms, acid from, 17 1.Lactobacillus casei fermentation factor,242.Lactones, 230.ap- and By-unsaturated, distinctionbetween, 232.Lactonic acids, formation of, from ketodi-carboxylic acids, 23 1.Laminaria clouatoni, polysaccharide from,247.Laminarin, 247.Lanceol, 194.Lanosterol, 203.Lanthanons, 104.Lauric acid, aluminium salt, crystalpotassium salt, micelles of, 83.strontium salt, crystal structure of, 442.determination of, in zinc, 382.monoxide as reducing agent, 122.dioxide as oxidising agent, 154.structure of, 443.Lead alunite, 102.“ Leaf alcohol,” stereochemistry of, 170.Lecithin, L- a-dimyristoyl-, -dipalmitoyl-,Lecithinases, 305, 307.Lenzites trabea, antibiotic from, 290.Licheniformin, 296.Light scattering by polymers in solution,Linoleic acid, synthesis of, 171.Lithium alkenyls, 157.and -distearoyl-, 172.88.aluminium hydride as preparative re-in alcohol determinations, 392.determination of, in water, 385.hydride as reducing agent, 99.tungsten bronzes, 115.agent, 154.Lupeol, 199.Lupulone, 205.Lutetium, purification of, 104.Lyogels, 84.Lysine, synthesis of, 174.Lysine, b-hydroxy-, 174.Malaria parasites, pigment of, 277.p l i c dehydrogezase, 342.Malic enzyme , 343.Malonic acid, crystal structure of, 443,444.isotopic effect in decarboxylation of, 27.Malonic acid, bromo-, isotopic effect indecarboxylation of, 27.Manganese compounds, 123.determination of, 379.Marcescin, 297.Mass spectrometry, 41 1.Medicine, antibiotics in, 301.Membranes, 77.Menthofuran, autoxidation of, 221.Mercuric bromide, molten, as electrolyticMercury atoms, reactions of, with cyclo-Mercury, dimethyl-, photolysis of, 29, 49.Mesoporphyrin, 274.Metals, analysis of, 382.tion of, 71.solvent, 101.pentane and cyclopropane, 46.determination of, 382, 383.cathodic deposition and anodic dissolu-electrolytic polishing of, 72.Metal alkyls, heats of reactions of, 23.Metal films as catalysts, 66.Metallic state concept applied to adsorp-Methacrylic acid, methyl ester, thermalMethane, oxidation of, 40.Methane, bisdimethylaminodiphenyl-, astion forces, 64.degradation of, 35.analytical reagent, 374.preparation of, 160.trifluoroiodo-, photolysis of, 49.tetranitro-, preparation of, 176.tetraphenyl-, crystal structure of, 460.Methanol, mercury-photosensitised de-Methionine sulphoximine, 173.Methyl iodide, photolysis of, 49.Methylamine, boron trifluoride compound,Micelles, 83.Microanalysis, organic, 388.Minerals, analysis of, 383.for man, 333.for poultry, 317.for sheep, 329.for swine, 323.359.composition of, 45.synthesis of, 173.radical, reactions of, 28.crystal structure of, 441.requirement of, for cattle, 326.Mitochondria, location of enzymes in, 358,Molecular rearrangements, 142.structure, 7.weight determination from osmoticweights of polymers, 89.fluorides, 120.pressure, 91.Molybdenum, determination of, 380INDEX OF SUBJECTS.477Molybdenum blues, 114.Monolayers, properties and structure of,Moulds, amino-acid oxidases from, 344.cis-trans-Muconic acid, 150.Muscle adenylic acid, 266.Mussel shells, porphyrin from, 276.Myoglobin, 283.Myristic acid, potassium salt, micelles of,77.83.synthesis of, 171.Naphthalene, crystal structure of, 453.derivatives, crystal structure of, 462.reaction of, with maleic anhydride,Naphthionic acid, sodium salt, for thoriumseparation, 375./3-Naphthol, a-nitroso-, as volumetricreagent, 374.a- and /%Naphthols, crystal structure of,462.1-Naphthy Iamine, N - 2-hydroxye thy1-N- 8-nitrobenzenesulphonyl-, 153.Nemotin, 289.Nemotinic acid, 289.Neomycin, 291.Neptunium, chemistry and physics of, 115.Neurospora crama, amino-acid oxidases of,Neurotoxins, 310.Neutron crystallography, 419.Neutrons, absorption coefficients of, 423.diffraction of, 422, 427, 429.scattering amplitudes for, 425.wave-length of, 421.compounds, 125.electrodeposited, structures of, 72.ferrite, 124.179.344.Nickel, catalytic, Raney, 154.Nickel-copper alloys, catalytic activity of,Nickel-iron alloys, catalytic activity of, 65.Nicotinamide glycosides, 268.Nicotine, determination of, 397.Nicotinic acid, determination of, 397.Niobium pentaiodide, 112.separation of, from tantalum, 11 1.Nisin, 297.Nitramine rearrangement, 145.Nitramine, dimethyl, crystal structure of,Nitramines, crystal structure of, 441.Nitrates, determination of, 379.solubility of, in ether, 116.Nitric acid, properties of aqueous solutionssolutions, Raman spectra and structure65.442.of, 74.of, 11.Nitriles, formation of, from halides, 161.Nitrites, determination of, 379.Nitrogen, determination of, in organictrifluoride, structure of, 20, 110.liquid, infra-red absorption spectrum of,compounds, 389.14.Nitrogen oxides, determination of, 386.Nitro-groups, determination of, 395.Nitronium ion, and its compounds, 11, 12,Nitrosonium ion, 110.Nitrosyl complex fluorides, 120.Nootkatin, 184.19-Nortestosterone, 210.‘‘ Notatin ”, 345.Nucleic acids, 263.crystal structure of, 465.properties of, 82.Nucleosides, 256, 258, 266.Nucleotides, 256, 262, 263, 266.Nutrition, human, 330.cis- Oc tadec- 1 1 -enoic acid, 1 7 1.cycZoOcta-1 : 5-diene, isomerism of, 188.bicycZoOctadiene , 187.Octanoic acid, (+)-6-methyl-, from poly-cycZoOctatetraene, 187.structure of, 16, 462.Octa-2 : 4 : 6-triyne, crystal structure of,438, 439.cycZoOctene, isomerism of, 188.cycZoOctyne, 189.(FJstrogens in poultry nutrition, 322.CEstrones, 205.Oleanolic acid, 200.Olefins, halogen addition to, in aceticacid, 127.ring systems, 238.109, 110.mixin, 170.hydrogen addition to, 30.oxidation kinetics of, 41.reaction of hydrogen atoms with, 46.preparative uses of, 158.Oligopeptides, synthesis of, 162.Onium salts, elimination from, 136, 138.“ Ophio-amino-acid oxidase ”, 344.Optical activity due to restricted rotation,Optically active compounds, crystallo-Organic analysis, 388, 392.Organo-metallic compounds, 157.Oscilloscope, cathode-ray, 412.Osmium complexes, 125.determination of, 381.Osmotic pressure, 91.Overpotential, hydrogen, 68.oxygen, 70.Oxalic acid, crystal structure of, 443.determination of, 395.isotopic effect in decomposition of,ytterbium salts, 105.152.isomerism, 148.graphic identification of, 437.compounds, .polarogaphy of, 410.27.Oxazolid-2 : 5-diones, preparation of, 162.Oxazolid-5-one, 2-thio-, 163.Oxidation, 153.in gas phase and in solution, 39.low-temperature, 40.“ Oxine ” as analytical reagent, 376.Oxirans, 219478 INDEX OFOxygen, determination of, in metals, 383.in organic compounds, 391.liquid, abso tion spectra of, 7, 114.overpotentg, 70.Ozone, infra-red spectrum of, 15.Palladium, hydrogen absorption by, 125.Palladium-gold alloys, catalytic activityParaffins, high mol.wt., 252.thermal decomposition of, 38.Paraldehyde, polarisation of, 19.Parasantonide, 233.Parthoniol, 195.Patchoulene, 197.Patchouli alcohol, dehydration of, 197.Patulin, 234, 287, 288.alloPatulin, 235, 288.Pavine, 188.Peach gum, 247.Pelletorine, isomeride of, 172.a- and 8-Peltatins, 232.Penicillic acid, 230, 287.Penicillin, 287, 288.of, 65.crystal structure of, 466.potassium and sodium salts, colloidalPenicillin, benzyl-, crystal structure of,5-phenyl-, 239.Penicillins, analysis of, 418.Penicillinase, 288.Penicillium, amino-acid oxidases of, 345.Penicillium citrinum, citrinin from, 228.Pentaerythritol tetranitrate, crystal struc-Pentane, 2-methyl-, oxidation kinetics of,Pentanes, 1 : 5-diamino-N-alkylated, 158.cycZoPentane, reaction of mercury atomsPentosenucleic acid, 254.neoPenty1 bromide, preparation of, 160.chloride, structure of, 20.spirocycloPenty1-+indoxyl, 239.Peptides, crystal structure of, 446.end-group removal from, 164.synthesis of, 162.Perchloric acid in acetic acid and aceticPerinaphthene, 182.Perinaphthenone, 182.Peroxidases, 351.Peroxides, bond-dissociation energies of,Peroxy-acids, and their salts, 112.Petrol, determination of tetraethyl-lead in,Petroleum, cracked, separation of hydroPhenanthrenes, perhydro-, and theirPhenols, determination of, 392.dihydric, oxidation of, 154.dipole moments of, 19.properties of, 82.467.ture of, 440.39.with, 46.anhydride, C-acetylation with, 156.25.411.carbons in, 416.derivatives, 152.products, analysis of, 407.IUBJECTS.Phenols, reaction of, with iodine mono-chloride, 122.Phenolases, 347.a-Phloroglucitol diammoniate and di-hydrate, crystal structure of, 449.6-Phosphogluconic acid dehydrogenase,343.Phosphorus compounds, 11 1.determination of, in steel, 382.trifluoride, vibrational-rotational energyoxidation of, by steam, 110.Phosphorus, pentaphenyl-, 149.Phosphorus acids, esters, monodebenzyl-ation of, 157.Phosphor yla t ion, 1 5 7.Photoconductive cells, 13.Photolysis, 48, 50.Photometer, flame, 401.Phthalic acid, butyl ester, aerosols, 83.Phthalic acid, tetrachloro-, as analyticalC,,-Phthienoic acid, 172.Phthiocerane, structure of, 166.Phthiocerol, structure of, 166.Phthioic acid, 171.Piaselenole, crystal structure of, 463.Piazthiole, crystal structure of, 463.Picropodophyllotoxin, 232.Pigs, nutrition of, 323.Pimelic acid, crystal structure of, 444.Piperazine, 1 : 4-diphenyl-, N-oxides of,Piperylenes, syntheses with, 178.Pituitary, anterior, hormones of, 360.Platinum complexes, 125.Plutonium, chemistry and physics of,Pneumolysins, 3 12.Podophyllotosin, 232.Podophyllum peltatum, 232.Polarographs, 409.Polarography, 408.Poly(acry1ic acid), viscosity of solutionsof, 96.Polyalanine, 252.Poly(N-n-butyl-4-vinylpyridinium brom-ide), conductivity and viscosity of, 96.Polyelectrolytes, 95.Poly-D- and L-glutamic acids, 252.Polymers, high, solutions of, 85.of, 13.coupled with oxidation, 357.reagent, 375.152.115.light scattering by, in solution, 88.osmotic pressure of, 91.surface-film behaviour of, 77.viscosity of, 93.Polymerisation, 3 1.cationic, inhibition of, 37.ionic, 36.Poly(methacry1ic acid), dissociation of, 95.viscosity of, 78.water absorption by, 97.Polymethylene, 252.Polymyxin, fatty acid from, 170.Polymyxins, 296.Polypeptides, 251INDEX OF SUBJECTS.479plypeptin, 296.Polyporic acid, 232.Polysaccharides, 246.Polysaccharides, amino-, 248.Poly(sodium acrylate), conductivity andPolystyrene, depolymerisation of, 35.light scattering of poly(methacry1ate)osmotic and vapour pressures of, 86.solutions, light scattering of, 89.virial coefficient of, 92.viscosity of, 94.Polyphosphoric acid ” as reagent forcyclodehydration, 155.viscosity of, 96.mixtures of, 90.Polythene, vapour pressure of heptanePoly(viny1 acetate), thermodynamics ofPolyvinyl alcohol, phosphorylation of, 253.Poly(vinylpyridine), ionisation of, 95.Poly-ynes, conjugated, preparation of,Porphobilin, 2 79.Porphobilinogen, 279.Porphyria, 278, 279, 282.Porphyrins, 271.bacterial, 278.biosynthesis of, 280.determination of, 276.physical chemistry of, 282.determination of, in fertilisers, 384.ferrate as volumetric reagent, 377.iodohezafluoride, 12 1.stannates, 108.Potential, reversible, 73.Potentiometric titration, 407.Potentiostat ”, 408.Poultry, nutrition of, 314.Praseodymium oxides, 104, 105.Precipitates, ageing of, 84.Pregnane, 17a : 20-dihydroxy-derivatives,Proactinomycin, 295.Prodigiosin, 2 7 7.Progesterone, determination of, 414.Prolactin, 364.Proline, synthesis of, 175.Prolines, hydroxy-, configuration of, 149.Promethium, absorption spectrum of, 105.Propaldehyde, fi@-trifluoro-, 177.Propane, mercury-photosensitised de-composition of, 45.Propane, hmafluoro-, structure of, 21.cycZoPropane, reaction of mercury atomswith, 46.Propionic acid, aluminium salt, 103.Proteins, 249.164.with, 85.solutions of, 86.virial coefficient of, 92.sulphonates, 252.166.Potassium cupriperiodate as volumetricreagent, 377.drying and combustion of, 387.213.adsorption of gases by, 81.arrangement of amino-group residues in,Proteins, boundary spreading and electro-phoresis of, 80.mol.wt. of, 82.physico-chemical properties of, 81.requirement of, for cattle, 324.for man, 330.for poultry, 314.for sheep, 327.for swine, 323.Protoporphyrin, 274, 275.Prototropic rearrangements, 142.Psoralene, 222.Psoralic acid, 223.Pteridine, 245.Pterins, 241.“ Pterin oxidase ’I, 346.Pteroic acid, 242.Puberulic acid, 287, 289.Puberulonic acid, 184, 287, 289.Pulvinic lactone, 232.Purine derivatives, crystal structure of,Purines, determination of, 398.Purpurogallin, synthesis of, 186.Pyrans, 226.Pyrethrins, 204.Pyrimidine derivatives, crystal structureof, 464.Pyrimidines, determination of, 398.from nucleic acids, 255.Pyrimidines, 5-thioformamido-, c yclisationPyrolysis in gas phase, 37.Pyrones, 226.Qualitative analysis, 377.Quinol, clathrate compounds of, 99 .Quinoline, 5 : 7-dibromo-8-hydroxy-, asQuinones, oxidation-reduction potentials464.nucleosides, synthesis of, 260.from nucleic acids, 255.of, 261.reagent for gallium, 376.8-hydroxy-. See “ Oxine ”.of, 73.Radiation chemistry, 51.Radical reactions, activation energy andRadioactive elements, electrodepositiontracer analysis, 413.Raman spectra, 10, 406.X-Ray absorption analysis, 406.X-Rays, absorption coefficients of, 423.diffraction of, 422, 427.scattering amplitudes for, 425.Reaction chains, life-times of, 47.kinetics, 21.Reagents, analytical, 374.Reduction, 154.Resonance lamps, 46.Rhenium, absorption spectra of, 123.Rhodium, determination of, 381.Rhodopsin, 166.isoRhodopsin, 170.frequency factors of, 27.of, 72.determination of, 380480 INDEX OF SUBJECTS.Riboflavin, phosphorylation of, 270.Riboflavin-5’ phosphate, 270.l-a-D-Ribofuranoside, 240.Ribonuclease, inactivation of, by X-rays,Ribonucleic acid, 254.Ribonucleosides, X-ray analysis of, 259.D-Ribose, 258.Rings, many-membered, 189.Rocks, sedimentary, analysis of, 383.Rotational isomerism in molecules, 17.Rubber, oxidation of, 42.Rubidium, determination of, 382.Ruthenium compounds, 125.determination of, 381.52.Salicylic acid, p-nitroso-, as colorimetricSalicylidenethiosemicarbazone as analyt-Sampling, accuracy of, 387.Santonic acid, 233.Santonide, 233.Santonin, 232.+-Santonin, 232.Sarcosine N-carboxy-anhydride, poly-merisation of, 251.Sarmentogenin, 211.Saytzeff rule, 137,138.Scrubber, Venturi, 386.Sebacic acid, crystal structure of, 444.Sedimentation of colloids, 78.Serratia marcescens, antibiotic from, 297.pigment from, 277.Sesquiterpenes, 193.Sheep, nutrition of, 327.Shiga neurotoxin, 311.Silicon compounds, 106.Silicon, chloromethyltrimethyl-, structureof, 20.Silk fibroin, 251.Siloxene in oxidation reactions, 377.Silver, determination of, in solder, 383.Snake venom, L-amino-acid oxidase of,Soap-like substances, 82.Sodium bismuthate as oxidising agent,determination of, 379.deuteride and hydride, structure of,ethylenediaminetetra-acetate as analyt-paratungstate, formula of, 114.silicates, 106.superoxide, 99.zincate, 100.reagent, 375.ical reagent, 377.determination of, 379, 382.perchlorate, 100.344.153.429.ical reagent, 374, 384.Sodium, benzyl-, 158.Soils, nitrification of manures in, 384.Solvent effect on elimination rate, 140:.extraction analysis, 414.Soyasapogenols, 203.Spectrochemical analysis, 399.Spectrometers, 336, 403, 405.infra-red prism, 12.mass, measurements with, 23.neutron, 421.photo-electric Raman, 10.Spectrophotometers, 405.Spectrophotometry, infra-red absorption,Spectroscopy, emission, analytical pro-Spirographis porphyrin, 272.Spongo t h ymidine , 2 6 6.Staphylococci, haemolysins from, 313.Starches, crystal structure of, 452.Statistical mechanics of adsorption, 61.Stearic acid, synthesis of, 171.Steel, analysis of, 382, 383.Sterculia setigera gum, 247.Stereochemical standards, relation of, 150.Steroids, 205.aromatisation of, 218.biogenesis of, 216.diene syntheses with, 208.natural, 210.oxides, use of, in preparing hydroxy-stereochemistry of, 217.404.ultra-violet absofption, 403.Raman, 406.cedure and apparatus for, 399.compounds, 218.Stibiafluorenes, optically active, 148.Stipitatic acid, 184.Streptolysin, 312.Streptomyces species, antibiotics from, 291.Streptomycin, 291.potassium and sodium salts, colloidalStreptomycin, hydroxy-, 291.Strychnine, crystal structure of, 466.Styrene, addition of 2-alkylpyridines to, 158.oxidation of, 42.polymerisation of, radiation-induced, 53.polymerisation rate of, 33.properties of, -82.Styrenes, /?-nitro-, reduction of, 155.Succinoxidase system, 354.Sucrose, diffusion coefficient of, 79.structure of, 451.Sugars, determination of, 396.Sulphides, ethylene, 236.Sulphinic acids, photosynthesis of, 50.Sulphoximine, dimethyl, 173.Sulphur compounds, 112, 113.sodium bromide dihydrate, crystalspectra of, 405.determination of, in organic compounds,hydrosols, 83.monoxide, structure of, 15.dioxide, determination of, in air, 386.trioxide ion, structure of, 11.oxides, determination of, in flue gases,ring systems, 236.Sulphuric acid as ionising solvent and forcryoscopy, 113.equilibria in formation of, 112.properties of aqueous solutions of, 74.391.386INDEX OF SUBJECTS.481Sulphuryl fluoride, 112.Surface area, determination of, 58.Surfaces, non-uniform, adsorption at,Swine, nutrition of, 373.TPN-c ytochrome-c reduc tam, 346.Tactoids, 84.Tantalum trifluoride, 121.Taraxasterol, 202.Tartaric acid, and its salts, crystal struc-&Tartaric acid, configuration of, 149.2-Tartrato-2-niobic acid, and its salts, 112.Temperature effect on elimination rate,Terephthalic acid, diethyl ester, crystalTernatin, 230.‘‘ Teropterin ”, 242.Terpenes, 190.acyclic, structure of, 166.mono- and bi-cyclic, 191.Terramycin, 294.Tetanus toxin, 311.Tetralin, autoxidation of, 42.Thallium, anodic oxidation of, 102.chlorides, 104.Thermistors for cryoscopy, 418.Thermobalance, Chevenard, 387.Therrnochemical measurements, 23.Thermodynamics of adsorption, 6 1.Thermophillin, 290.5-Thiazolidone, 2-thio-, 163.Thioacetamide as analytical reagent, 375.diThiocarbamic acid, diethyl-, sodiumsalt as volumetric reagent, 376.Thiols, preparation of, 165.Thiophen, 237.Thiophen-aldehydes, 237.Thiophen-3- thiol, 23 7.Thiophthen, crystal structure of, 463.Thiouracil in poultry nutrition, 321.Thiourea, complexes of, 165.Thixotropy, 84.Thorium bromide and sulphides? 109.tension, 76.54.pentuiodide , 1 12.separation of, from niobium, 1 11.ture of, 445.141.structure of, 458.compounds, behaviour of, in liquidextraction of, 109.Threonine, crystal structure of, 446, 447.resolution of, 147.synthesis of, 173.Thujaplicins, 186, 193.Thymidine, 258.Thyrotrophin, 371.Thyroxine in poultry nutrition, 321.Tin compounds, 108.Titrimeters, 408.Toxins, bacterial, 303.Transport numbers, measurement of, 75.Transmanic elements, 1 15.ammonia, 109, 117.determination of, in aluminium alloys,382.Triacetylene, 166.Tricosanoic acid, synthesis of, 171.Trilon B aa base solution in polarography,Triphosphopyridine nucleotide, 269, 337.Trisalicylide, 152.cyctoTrisiloxan, itemzmethyl-, structure of,Triterpenes, 199.Tropolone, synthesis of, 186.Tropolones, 184.Tropolonecarboxylic acid, 186.Tryptophan, synthesis of, 175.Tryptophan, ~~-2-hydroxy-, synthesis of,175.Tungsten dibromide, 121.Turacin, 278.Turaco feathers, pigment of, 278.Ultracentrifuge in sedimentation, 78.Ultra-violet, new light source for, 8.Ultra-violet absorption spectra of organiccompounds in solution, 9.Unsaturated compounds, addition ofhydrogen to, 30.catalysed polymerisation of, 36.Unsaturation, determination of, 397.Uracil, determination of, 398.Uracil deoxyriboside, 259.Uranium, and its compounds, 115.409.20.compounds, behaviour of, in liquiddetermination of, 381, 384.hemfluoride, structure of, 20.trioxide, pure, preparation of, 117.sulphides, 109.Urea, complexes of, 165.containing I5N, 325.Uridine, 258.diphosphate-glucose, 270.Uridylic acid, 257.Urine, determination of uroporphyrin in,porphyrin in, 278.Uroporphyrins, 278.“ Vaccenic acid ”, 171.Valines, valyl-, 176.Vanadium compounds, absorption spectraammonia, 109, 117.276.of, 111.determination of, 379.pentoxide sols, 84.Vibrational-rotational spectra, 13.Vinyl chloride, polymerisation of,catalysed, 33.a-ray induced, 53.fluoride, induced polymerisation of, 49.polymerisation, 31.polymers, depolymerisation of, 34.Vinylidene dicyanide, preparation of, 158.Virjal coefficient, 92.Viridin, 290.Viscosity of colloids, 78.of polyelectrolytes, 96.of polymers, 93.Visnagin, 222, 223482 INDEX OF SUBJECTS.Visnagone, 224.Vitamin BL2, 240.Volumetric analysis, standardisation ofsolutions for, 373.n- and iso-Vulpinic acids, 232.Wagner rearrangement, 143.Water, analysis of, 384.irradiation of, 52.photo-oxidation of, 51.photoreduction of, 51.Water gas, oerburetted, analysis of, 385,413.Xanthine oxidase, 346.Xanthosine, 260.Xylenes, analysis of, 403." Yeast adenylic acid ", 262.Yeast ribonucleic acid, 263.Zinc, determination of, 409.Zingiberene, 193.Zirconium compounds, 108.sulphate complexes with quinoline,100.separation of, from hafnium, 108