INDEX OF SUBJECTS.Acenaphthene, dipole moments of, 16.Acetic anhydride, conducting solutions ofsalts in, 30.Acetic anhydride, trifluoro-, as catalyst foresterification, 155.Acetomesitylene, reduction of, 141.Acetoxonium ion, 123.Acetyl groups, determination of, 284.Acetylene, compounds of, with copper andAcetylenic compounds, reduction of, 147.Acetylcyclopropane, reduction of, 141.Acid chlprides, preparation of, 166.Acids, carboxylic, aliphatic, synthesis of,159.silver salts, halide formation from,154.tertiary, 163.olefinic, 164.organic, reduction of, 142.unsaturated, 164.Acronychia baueri, 210.Acronycidine, 210.Acronycine, 210.Acrylonitrile, reactions of, 150.Acrylonitrile, a-hydroxy-, a-acetyl deriv-Actinium, separation of, from lanthanum,Actinon sulphides, crystal structure of,Actinons, 88, 96.Adsorbed substances, magnetic propertiesof, 35.Adsorption, 28.Aerosols, physical chemistry of, 28.“ Affinin,” 166.Afwillite, crystal structure of, 78.Ajmaline, 210.j?-Alanine, preparation of, 187.Albumin, serum, copper binding by, 33.Alcohols, aliphatic, synthesis of, 158.polyene, preparation of, 179.tertiary, esters, hydrolysis of, 121.Aldehyde, CI4, 173.Aldehydes, photochemistry of, 31.Aldimines, reduction of, 146.Aldol condensation, 150.Aliphatic compounds, long-chain, 156.Alkali metals, ammonia solutions of, 31.silver, 92.determination of, 293.ative, 149.98.70.chemistry of, 97.perborates, 96.selenochromites, crystal structure of,thiochromites, crystal structure of, 7 1.Alkaline-earth carbonates, solid solutionsmetals, ammonia solutions of, 31.71.of, 24.Alkaloids, acridine group, 210.biogenesis of, 195.Chelidonium, 20 1.Daphnandra, 20 1.indole group, 203.lupinane group, 199.quinazolone group, 210.isoquinoline group, 200.Xtrychnos, 206.yohimbine, 197, 203.Alkyl halides, replacement reactions of,Alkylbenzenes, chlorination of, 139.Alkyloxy-groups, determination of, 284.Alloys, structure of, 51.Ally1 esters, alkaline hydrolysis of, 120.Allylic halides, anionotropy in, 130.rearrangement in nucleophilic substitu-tion, 125.Aluminate ion, 96.Aluminium, magnetic susceptibility of, 41.Aluminium trichloride, crystal structurefluoride, preparation and propsrties of,115.theories of, 42.of, 74.96.Americium, ion radii for, 23.h i d e s , reduction of, 143.Axnines, aliphatic, retinene compounds,with, 263.Amine-alcohol salts, 39.Amino-acids, 184.aromatic, 191.basic, 190.dicarboxylic, 189.determination of, in proteins, 21 1.heterocyclic, 193.polymers, 226.relation of, to carbohydrates, 185.sulphur-containing, 189.syntheses of, 185.a-Amino-acids, fatty, 187.synthesis of, 152.DL-Amino-acids, resolution of, 186.a-Amino-groups, protective agents for,Amino-hydroxy-acids, 187.Ammonia, liquid, apparatus for reactionssolutions of alkali and alkaline-earthAmmonium chloride, spectrum of, Raman,dihydrogen phosphate, isotope effectstetrametaphosphate, crystal structure195.in, 103.metals in, 3 1.23.for, 12.of, 79.(&)-habasbe, 196.Anemia, macrocytic, treatment of, 23 1.32 321 INDEX OF SUBJECTS.Anaemia, pernicious, anti-factor for, 234.treatment of, 240.Analysis, combustion, 280.fusion, 283.gravimetric, 268.inorganic, organic reagents for, 27 1.organic, 280.radioactivation, 285.spectroscopic, Raman, 276.Androgamones, 247.Anhydrovitamin A, 184.Anhydrovitamin A,, 183.Animal Protein Factor, 235.Anionotropy, three-carbon, 125.Anthracene, reduction of, 143.Anthraquinone, nitration of, 133.Anti-folic acid compounds, 231.Antimony compounds, 105.‘‘ Apoerythein,” 243.Arachidonic acid, structure of, 165.Argon, liquid, surface tension of, 19.radioactive, 1 1.Aricine, 203.Aromoline, 202.Arsenates, crystal structure of, 79.Arsenic hydrides, 105.trihydride.See Arsine.Arsine, radioactive, 11.detection of, 298.Aspartic acid, synthesis of, 189.Aspidosperma quebracho, 206Aspidospermine, 206.Astatine, properties of, 11 1.Astaxanthin, 246, 247.Atomic pile as neutron source, 288.weights, reports on, 89.Autodetector, 302.Autoxidation, 31.Axerophthene, 177.GsoAxerophthene, 177.Aza-anthracenes, electronic structure of,Azanaphthalenes, electronic structure of,Azaphenanthrenes, electronic structure of,Azoxy-compounds, reduction of, 146.Bacilli, tubercle, acids from waxes of,160.Bacteria, amino-acids in, 184.Balances, 268.Barium. metatitanate, ferro-electricBatyl alcohol, 167.Beef muscle, extrinsic factor in, 243.Benzene, spectrum of, ultra-violet, 15.Benzene, bromo-, and chloro-, dielectric15.15.15.domains in, 22.losses of, 21.nitration of, 133.sulphonation in, 137.Beryllium, at.wt. of, 92.Beryllium compounds, 93.Biochemistry, 229.nitro-, ionic reactions in, 30.s-trinitro-, molecular compounds of, 38.Bismuth thiocyanate solutions, ions in,thiosulphate solutions, ions in, 105.Blood, analysis of gases of, 296.Bond properties and structure, 12.Borazole, spectrum of, ultra-violet, 15.Borides, crystal structure of, 68.Borine, constitution and spectra of, 14.Boron, high-purity, 94.Boron compounds, 94.hydrides, 94, 95.105.co-ordination compounds of, 12.crystal structure of, 84.&Brass, structure of, 53.y-Brass, structure of, 52, 53.Brillouin zones, 51.Bromination, 138.Bromine, determination of, in organiccompounds, 284.Bromo cresol-purple , 2 7 3.Bromonium ion, 123.Bromophenol-blue, 273.Bromoph thalein-magenta, 273.Bromothymol-blue, 27 3.Brucine, 206.Buta-1 : 2-diene, thermodynamics of, 9.Butane, meso-2 : 3-dibromo-, and erythro-or threo- 3- bromo-2- hydrox y - , 2-acety lderivative, acetolysis of, 122.But-2-ene, 1 : 3-dichloro-, condensationswith, 153.Butyl alcohol, dielectric loss of, 21.bromide, dielectric loss of, 21.tert.-Butyl benzoate, reaction of, wikhmethanol, 122.n-Butyric acid, uy-diamino-, 184.Cadmium, at.wt. of, 94.Cadmium-antimony alloys, surface ten-Caesium, detection of, in sodium saltp,Calcium, masking agents for, 274.separation of, from magnesium, 270.Calcium ammonia, reduction with, 146.salts, 93.selenide, 108.Carbides, crystal structure of, 68.Carbon, chemistry and isotopes of, 100.detection of, in steel, 290.determination of, 280.radio-isotopes of, 10.Carbon monoxide, determination of, 293.in air, 298.in mine-damp, 302.dioxide, determination of, 293, 299.Carbonyl chloride, preparation of, 101.thermodynamics of, 9.compounds, unsaturated, reductlion of,141.u&unsaturated, reduction of, 147.cyanide, 10 1.selenide, 100.Carborundum, colourless, 23.Carotenoids, 244.biochemistry of, 246.sion of, 19.289INDEX OF SUBJECTS.325Carotenoids, cis-trans-isomerism in, 245.spectra, of, absorption, 14.Catalysis, acid, anionotropy and, 126.magnetochemistry of, 34.Catalysts, poisons for, 35.“ supported,” mixed oxides as, 35.Catalytic activity in relation to crystalstructure, 27.hydrogenation , 1 40.Cells, photo-electric, for Raman spectro-graphy, 279.Cementite, crystal structure of, 68.Cephaelin, 203.Cepholopsin, 261.Cerium, at. wt.of, 96.dimers: 97.Cerium oxysulphide, crystal structure of,sulphides, crystal structure of, 70.Chelerythrine, 201.Chelidonium alkaloids, 20 I.Chimyl alcohol, 167.Chlorination, 138, 139.Chlorine, determination of, 301.photochemical reaction of, with hydro-Choline deficiency, effect of vitamin B,,Chromites, 108.Chromium dioxide, 108.Cinchonamine, 203.j3-cycZoCitra1, reduction of, 147.Civetone, 150.Claisen condensation, 153.Clathrate compounds, crystal structure of,Coal, analysis of, 281.Cobalt complexes, 1 12.compounds, oxygen-carrying, 32.Cobalt (11) ions, oxidation of, by ozone, 112.Coccidiosis in chicks, 258.Colloidal ions, molecules giving, 29.Colour vision, theories of, 259.Complexing agents, 273.Complexones, 2 73.Condensations, 150.Conhydrine, 198,#-Conhyd rine, 1 98.Copper, at. wt.and isotopes of, 90.binding of, by serum albumin, 33.crystals, oxidation of, 27.magnetic susceptibility of, 41.chromite catalysts, 140.chromites, 108.compounds, 91.halides, crystal structure of, 74.selenides, 91.Coronene, electronic structure of, 15.Crocidolite, Bolivian, crystal structure of,Cryolite-alumina baths, ionic processes in,Crystal chemistry, 64.70.gen, 110.on, 240.85.Copper acetylides, 92.78.29.structure analysis, 58.defect, 25.Crystals, diffraction of neutron beams by,22.growth of, 26.spectra of, Raman, 23.temperature effects in, 25.Crystallography, 57.Cubanite, crystal structure of, 71.Cuprous azide, crystal structure of, 83.Cuscohygrine, 196, 198.isocyanates, reactions of, 150.Cyanic acid, sodium salt, crystal structureCyanides, oxidation of, by iodine, 101.Cyanine dyes, spectra of, absorption, 14.Cyclisation by reduction, 148.Cyclotron, 290.Cystine, synthesis of, 189.Daphrzartdra alkaloids, 201.Daphnandrine, 202.Daphnoline, 202.Dark-adaptation, pigment formationduring, 259.Decaborane, crystal structure of, 58, 84.cis-Decalin, steric hindrance in, 14.3-DehydroioneneY 178.Dehydro-j3-ionone, 178.Demethylaxerophthene, 177.Demethylisoaxerophthene, 177.Deoxyribosides, activity of, 238.Desulphonation, aromatic, 137.Deuterium halides, solid transitions of, 12.iodide, thermal decomposition of, 1 1.Diacetyl, aldol condensations of, 150.Diamagnetism of mixed liquids, 39.Diamonds, synthetic, 100.Diaspore, crystal structure of, 73.Diatoms, carotenoids in, 246.Diazocyanides, magnetic susceptibility andDi-2-benzthiazolyl disulphide, magneticDibenzyl, crystal structure of, 63.Diborane, crystal structure of, 84.Diboron tetrahalides, 95.Dichroa febrifwga, 210.Diisocyanates.reactions of, 150.Dicyanodiamidine for vanadium precipit-Dielectrics, liquid and solid, physicalDietary factors, extrinsic and intrinsic,Di- (9 -ethoxy - 10 -phenanthryl) peroxide,1 - Diethylaminomethyl - 2 - methoxy -naph-NN-Diethylbenzamide, reduction of, 144.Diethylberyllium, preparation and pro-Diethylthiocyanatogold, 92.Diffusion in gas analysis, 303.thermal, 8.Dihexadec ylhep t adec ylcarbino 1, 1 5 8.Diketen, 149.Diketones, aldol condensation of, 150.of, 23.structure of, 38.properties of, 38,ation, 271.chemistry of, 21.243.magnetic properties of, 38.thalene, 152.perties of, 93326 INDEX OF SUBJECTS.Dimethyl disulphide, configuration of, 17.Dimethylcadmium, 100.Dimethylglyoxime as analytical reagent,272.Dimethylmercury, 100.photolysis of, 32.2 : 6-Dimethylocta-2 : 6-diene, photo-oxidation of, 31.Dimethylzinc, 100.4 : 4'- Di- 1"-naphthylazostilbene - 2 : 2'- di-sulphonic acid, 4 : 4'-di-2"-amino-,disodium salt, 273.'' Diopterin," 232.Diphenyl-p-tolylmethyl, disproportion-ation of, 39.2 : 2'-Dipyridyl, as complsxing agent foriron, 273.2 : 2'-Dippidyls as indicators, 272.Distillation, fractional, 162.in gas analysis, 302.Docosa-11 : 14-dienoic acid, 166.Docosane-1 : 22-diol, 158.Dominator curves, 259, 260.Dysprosium, determination of, 288.Earths, rare, magneto-chemistry of, 40.Echinochrome, 247.Eicosa-11 : 14-dienoic acid, 166.Electric light bulbs, analysis of gas from,Electrocapillarity, 29.Electrochemistry, 2 9.Electrodes, ionic processes at, 31.Electrolytes, molten, 29.Electrolytic conductivity in gas analysis,299.Electrostatic generator, 290.Emetine, 197.Engines, internal combustion, anaIysis ofEpidote, crystal structure of, 77.Epoxides, reduction of, 144.Equilibrium in terms of thermodynamicEriochromeschwarz T, 275.Erythrogenic acid, 166.Esters, carboxylic, alkaline hydrolysis of,297.structure of, 202.gases from, 299.functions, 9.119.replacement reactions of, 119.catalytic hydrogenation of, 140.reduction of, 142.Esterification, 155.Ethane, hezafluoro-, thermodynamics of,Ethyl chloride, dielectric loss of, 21.1 5-Ethylaxerophthene, 177.Ethylene, cis-trans-isomerisation in, 14.Ethylenediaminetetra-acetic acid, 274.1 -Ethynyl-3-methylallyl acetate, acidEudidymite, crystal structure of, 77.Eukryptite, crystal structure of, 76.Europium, determination of, 288.Evodia xanthyloides, 210.9.thermodynamics of, 9.hydrolysis of, 12 1.Evoxanthine, 210.Exaltone, 150.Febrifugine, 2 10.isoFebrifugine, 210.Fermi surface, 51.Ferric thiocyanate, 112.Ferrins as indicators, 272." Ferro-electric " solids, 21.Ferroins as indicators, 272.Fish-liver oils, determination in, ofFlavoxanthin, 244.Fluorine, determination of, 293, 301.in organic compounds, 283.production of, 109." Fly's Eye," 59.Folic acid, 229.assay of, 233.relation of, to vitamin B,, in psrniciousvitamin A, 25 1.kitols from, 180.anzmia, 241.Formic acid, copper salts, 91.Fourier synthesiser, 60.Frogs, carotenoids in, 248.Fucoxanthin, chlorophyll-protein com-a-Furil dioxime for palladium precipitation,Gadolinium, magnetic susceptibility of,96.Gadolinium chloride, nitrosyl chloridecompound of, 104.Gallium, detection of, 290.determination of, in meteorites, 289.Galloxanthin, 245.Gas analysis, 291.plex of, 246.271.apparatus, 29 1.acoustical, 303.microchemical, 294.spectroscopic, 301.by electrolytic conductance afterabsorption, 299.by heat of reaction, 299.by ionisation potential, 300.by magnetic susceptibility, 300.by mass spectrometry, 298.by polarography, 300.by thermal conductivity, 298.inter ferometric , 303.microchemical, 294.spectroscopic, 300, 301.infra-red, 301.Gases, adsorption of, on solids, 28.density determination of, apparatus for,respiratory, micro-analysis of, 294, 295.thermodynamics of, 7.303.Gastric juice, intrinsic factor in, 243.Gelsemiurn sempervirens, 205.Glass, analysis of micro-bubbles of gas in,Glutamic acid, synthesis of, 189.Glutamine, synthesis of, 189.Glycerides, 167.295INDEX OF SUBJECTS.327Glyceryl ethers, 167.Glyoxal, aldol condensations of, 150.Gold-cadmium alloys, catalytic activityand hardness of, 28.compounds, 92.Groutite, crystal structure of, 73.Gynogamones, 247.HEmatopoietic factors, 229.Hafnium, determination of, in presence ofHafnium borohydride, 102.Halides, crystal structure of, 74.Halogens, determination of, in organicremoval of, in combustion analysis, 282.substituent effects of, 124.Halogen compounds, reduction of, 145.fluorides, 109.Halogenation, aromatic, 137.o-Halogeno-acids, fatty, preparation of,Heliotridine, 148.Helium isotopes, 89.liquid, thermodynamics of, 8.Hentriacontanoic acid, 159.Fpaxanthin, 183.Heptoxime,” 272.Herculin, 166.n-Hexadecane, urea complex with, 156.Hexadecanols, 158.Hexamethyldialuminiu, constitution andspectra of, 14.Hexamethylenetetramine, crystal struc-ture of, 23.cycZoHexane, trans- 1 : 2-dibromo-, aceto-lysis of, 122.2 - acetylderivative, acetolysis of, 122.cycZoHexanes, crystal structure of, 58.cycEoHexane-1 : 2-dione, reduction of, 141.cycZoHexanetetra-acetic acid, 1 : 2-di-Hexapentacontanoic acid, 159.cycZoHexene, photo-oxidation of, 31.4-cycZoHex- 1 ’-enylbut- 3 - p - 2-01,Hietidine, synthesis of, 194.Hollandite, crystal structure of, 73.Hormones, fertilization, 247,Hydrazinium dichloride, crystal structureHydrocarbons, alicyclic, surface tensionaliphatic, 156.aromatic, mixed, analysis of, by Ramanspectra, 280.mixed, analysis of, by Raman spectra,278, 279.oxidation of, 32.physical constants of, 17.determination of, in metals and com-zirconium, 289.compounds, 283.155.trans - l-bromo - 2 - hydroxy-,amino-, 274.reduc-tion of, 179.of, 83.of, 19.Hydrogen, active, determination of, 285.pounds, 304.in organic compounds, 280.Hydrogen, ortho-para conversion of, 34.photochemical reaction of, with chlorine,Hydrogen chloride, dissociation of, inliquid, anhydrous, as solvent, 101.110.organic solvents, 3 1.cyanide, determination of, 297.ionic reactions in, 30.deuteride, pure, 90.halides, bond lengths in, 18.peroxide, properties of, 106.sulphide, determination of, 297.Hydrogenation, 140.Hydroxyl groups, determination of, 285.Hydroxylarnmonium bromide andchloride, crystal structure of, 83.Hypobromous acid as brominating agent,110.Hypoxanthine deoxyriboside, 239.Iminodiacetic acid, 273.Indicators, 272.Indicator yellow, 261.Indium chloride, nitrosyl chloride com-Inorganic compounds, magnetic suscepti-Insects, carotenoids in, 248.Insecticidal principles, 166.Insulin, 21 1.Jnterferometer, Zeiss, 303.Interferometry in gas analysis, 303.“ Interstitial ” compounds, 67.Intestines, conversion of provitamin intoIodic acid, crystal structure of, 80.Iodine, co-ordination compounds of, 13.oxidation by, of cyanides, 10 1.oxidation of, by silver sulphate, 92.solutions, 110.pound of, 104.bility of, 39.ethylenediamine compounds, 96.enzymic hydrolysis of, 223.vitamin A in, 255.Kodine pentafluoride, reaction of, withcarbon tetraiodide and tetraiodo-ethylene, 110.[odopsin, 259, 266.Conic chemistry, 29.$Ionone, C,, ketone from, 171.5-Ionylideneacetaldehyde in vitamin ACridium, determination of, 288.Cron, at.wt. and isotopes of, 111.crystals, oxidation of, 27.detection of, 290.L- and y-Iron, self-diffusion in, 11.[ron hydroxides and oxides, 11 1.silicide, crystal structure of, 68.[sanic acid, 166.[satin derivatives as organic reagents, 271.[sotopes, 9.Kalsilite, crystal structure of, 77.Keratin, dielectric constant of, 33.synthesis, 169.wool, combination of, with Orange-I1acid, 33.structure of, 220328 INDEX OF SUBJECTS.Ketens, chemistry of, 148.4-Keto-1 : 1-dimethylpiperidinium iodide,,S-Keto-esters, ketonic fission of, 154.Ketone, C,,, 171.Ketones, aliphatic, synthesis of, 158.syntheses with, 152.aromatic, catalytic hydrogenation of,photochemistry of, 3 1.reduction of, 141.8-Ketosparteine, 196.Ketoyobyrin, 203.Kitol, 180, 252.Kitol,, 180.Krill, carotenoids in, 248.Krypton, isotopes, 90.j?-Lactoglobulin, amino-acids in, 214.140.denaturation of, 225.determination in, of reactive groups, 218.enzymic digestion of, 221.hydrolysates, partition chromatographyof, 216.preparation and composition of, 214.structure of, 221.physical evidence for, 224.Lactones, reduction of, 143.8-Lactones, formation of, 149.6-Lactones, &unsaturated, preparationLanthanons, 88, 96.Lanthanon sulphides, crystal structure of,Lanthanum, at.wt. of, 96.purification of, 97.separation of, from actinium, 98.Lead acetobromides and acetoiodides, 102.bromide, diamagnetism of, 40.compounds, magnetic susceptibility of,of, 149.70.39.Leucsemia, treatment of, 231.Lewam glauca, 198.Leucaenol, 198.Leucine, copolymer of phenylalanine with,225.L-Leucyl-D- and -L-al&e, 195.Linoleic acid, ethyl ester, photo-oxidationsynthesis of, 165.Linolelaidic acid, synthesis of, 165.Linolenic acid, 165.Liquids, macromolecular, 20.mixed, diamagnetism of, 39.structure and yoperties of, 19." supercritical state of, 9.surface chemistry of, 29.Lithium, detection of, 290.Lithium aluminium h ydride, reductionpreparation of, 187.of, 31.with, 140.amide, condensations with, 153.borohydride, reduction with, 146.deuteride, zero point energy of, 23hydride, zero point energy of, 23.Liver, conversion into vitamin A in, 255,extracts, vitamin B,, activity of, 238.Lobsters, carotenoids in, 248.Locusts, carotenoids in, 248.Lupinus macounii, 200.Lysine, synthesis of, 190.Macro-molecules, physical chemistry of,Magnesium, masking agents for, 274.separation of, from calcium, 270.Magnesium carbonate and hydroxide,dissociation equilibria of, 93.Magnetic susceptibility and structure oforganic compounds, 38.in gas analysis, 300.of inorganic compounds, 39.Magnetochemistry, 34.Malonic acid, amino-, acetyl derivative,diethyl ester, use of, in syntheses, 185.Man, adult, vitamin A requirements of,253.Manganese, determination of, in aluminiumManganese oxide catalysts, Weiss constantMannich reaction, 151.Margaric acid, 160.Melicope fareana, 210.Melicopicine, 210.Melicopidine, 210.Melicopine, 210.Mercaptobenzthiazole for rhodium pre-Mercury, liquid, surface tension of, 19.Mercury halides and oxides, 94.Metal atoms, bond radii and co-ordinationMetals, analysis of gases evolved from, 304.calculation of physical properties of, 43.dissolving, reduction by, 146." full " and " open," 44.liquid, surface tension of, 19.theories of, 42.electron-band, 43.free-electron gas, 42.Metallic orbitals, 54.Meteloidine, 196,Methane, radioactivity of, 10.Methanol, fluorination of, 110.Methionine, metabolism of, vitamin B,, in,Methyl cyanide and isocyanide, micro-Methylallyl chlorides, alcoholysis of, 130.N-Methyldiphenylamine-red, 273.2 -Me th ylgl yoxaline, fromfructose or sucrose, 194.1-Methylcycbhexene, photo-oxidation of,31.N-Methylmorphinan, 200.2-Methylquinoline-5-carboxylic acid, 7-amino-, 7-acetyl derivative, 273.2-Methyltetradecanol, 158.Mica, paramagnetism of, 41.Mimosa pudica, 198.32.alloys, 289.for, 35.oxides, crystal structure of, 73.cipitation, 271.number of, 49.239.synthesis of, 189.wave spectra of, 14.2 -hydrox y - INDEX OF SUBJECTS.329Mimosine, 198.Modulator curves, 260.Molybdates, crystal structure of, 79.Molybdenite, magnetic anisotropy of, 41.Molybdenum, separation of, from tech-Molybdenum oxides, 109,Molybdotellurates, crystal structure of, 80.Morphine, 200.Motor spirit, analysis of, by Raman spectra,278.(&)-Muscone, 150.Myosin, 21 1.a-Nphthdavone as indicator, 273.Naphthalene derivatives, reduction of,B-Naphthol, reduction of, 147.Naphthylamines, nitro-, basic strengths of,Neodymium, at. wt. of, 96.Nepheline, crystal structure of, 76.Neptunium compounds, 100.ions, hydrolysis of, 98.radii for, 23.Neutrons, laboratory sources of, 287.“ Niccolox,” 272.Nickel, catalytic, Raney, 140.Nickel complexes, 11 2.netium, 111.crystal structure of, 72.147.16.determination of, organic reagents for,cyanide, ammonia compound, crystaldiformyldiethylenedi - imine - camphor,hydroxide, 112.monoxide, temperature effects on, 26.Niobium pemkzbromide and pentachloride,vapour pressures of, 105.Nioxime as reitgent for nickel, 272.for palladium precipitation, 27 1,Nitration, aromatic, 131.Nitric acid, crystal structure of, 80.solutions, ions in, 103, 104.structure of, in organic solvents, 30.272.structure of, 85.magnetic properties of, 40.in sulphuric acid, properties of, 132.Nitriles, reduction of, 144.Nitrilotriacetic acid, 274.Nitro-compounds, aliphatic, combustionreduction of, 146.Nitrogen, at.wt. of, 103.determination of, in organic compounds,Nitrogen compounds, crystal structure of,of, 281.282.82.fluoride and oxides, 103.oxides, determination of, 297.removal of, in combustion analysis,281.Nitronium ion, 131.perchlorate, crystal structure of, 83.salts, 133.Nitrosyl chloride, vapour pressure of, andits reactions, 104.Nonacosan-1-01, 158.Norvitamin A, 176.“ Octamethylspiro [5: 51 pentasibxane ”,cycloOc tate trmne, diamagnetic suscep t i -resonance stability of, 17.Olefins, 157.autoxidation of, 32.Oleic acid, synthesis of, 164.Organic chemistry, theoretical, 114.compounds, magnetic susceptibility andstructure of, 38.Ornithine, synthesis of, 190.Orthoclase, sanidinised, crystal structureof, 77.Overvoltage, 31.Oxalyl chloride as reagent for preparationof acid chlorides, 166.Oxides, crystal structure of, 72.mixed, catalytic activity and magnetismof, 35.solid, electrical conductivity of, 25.crystal structure of, 78, 79.bility of, 38.Oximes, reduction of, 146.Oxindoles, reduction of, 144.Oxy-acids, crystal structure of, 80.Oxygen adsorbed on charcoal, magneticproperties of, 37.detection of, 290.determination of, 300.in organic compounds, 284.(-)-Oxysparteine, reduction of, 143.Oxysulphides, crystal structure of, 70.Palladium, determination of, in meteorites,289.precipitation of, organic reagents for, 271.Paraffins, 156.Pauling hypothesis, 44.koPelletiorine, 196.Pellitorin, 166.Penicillin, crystal structure of, 58.neopentyl halides, reaotivity of, 117.Peptides, isolation and characterisationof, 219.Periodates, magneto-chemistry of, 40.Per-rhenates, 11 1.Perylene, dipole moments of, 16.Phenanthrene, reduction of, 143.Phenanthridine, reduction of, 143.Phenanthrolines as indicators, 272.1 : 10-Phenanthroline for palladium pre-Phenols, p-nitro-, synthesis of, 151.Phenylalanine, copolymer of leucine with,synthesis of, and its derivatives, 191.1 -Phenylallyl p-nitrobenzoate, rearrange-5-Phenylisogranatanine, 148.( - )-Phenylmethylcarbinyl chloride, reduc-Phenylthiocarbonyl chloride as prdtectivesynthesis of, 195.cipitation, 271.225.ment of, 126, 128.tion of, 145.agent for a-amino-groups, 195330 INDEX OF SUBJECTS.Phosphates, condensed, 105.crystal structure of, 79.Phosphorus, detection of, 290.preparation of, 104.Phosphorus sulphides, 104.Photo-electric recording of Raman spectra,Photography of Raman spectra, 278.Photopic dominator curve, 260.Photo-reactions, 31.Phthalic anhydride as protective agent forPhthalocyanine, mol.wt. of, 16.Phthiocerane, 157.Phthioic acid, 161.Phytic acid for scandium and thalliumprecipitation, 271.Phytofluene, 244.Phytofluenol, 244.Phytomonic acid, 162.Phytomonas tumefaciens, 162.Pigments, retinal, 259, 265.Pimelic acid, ad-diamino-, 184.Platinum, co-ordination compounds of,Plutonium ions, hydrolysis of, 98.isolation of, and its compounds, 100.Plutonium momsulphide, structure of, 65.Poisons, catalytic, 35.Polarography in gas analysis, 300.Polyisobutene polymers, ultrasonic fre-quencies in, 20.Poly dimethylsiloxanes, ultrasonicmeasurements with, 20.Polyglutamic acid, 226.Polyindene, polymerisation of, 41.Polylysine, 225.Polypeptides, synthetic, 2 2 5.Porphyropsin, 259.Potassium, detection of, in sodium salts,Potassium chloros tannates, magneto -dzXtydrogen arsenate, isotope effects for,dihydrogen phosphate, ferro-electrichydroxide, crystal structure of, 23.diiodate as ammonia receiver in Kjel-dinitrososulphite, crystal structure of,selenopentathionate, 108.stannates, 102.telluropentathionate, 108.Potential, redox, modifkation of, by com-Praseodymium, at.wt. of, 96.Praseodymium trifluoride complex, 97.Prawns, carotenoids in, 248.Precipitation for filtration, 270.Prim reaction, 151.Pristme, 157.Prolinb, synthesis of, 193.Promethium, 96.279.~-amino-gr~ups, 195.113.radii for, 23.289.chemistry of, 40.12.domains in, 22.dahl method, 283.83.plexones, 275.Proteins, analysis of, for amino-acids, 213.determinationin, ofreactivegroups, 217.corpuscular and fibrous, 21 1.mol.wt. of, 217.theories of structure of, 212.water absorption by, 33.Protoactinium, coprecipitation experi-ments with, 98.Provitamins, conversion of, into vitaminA, 255.Provitamins A, 245.Pteroic acid derivatives, 230.P t er o ylglu tamic acid, 2 30.Pteroylglutamic acid, 4-amino-, in leuc-Pteroylglutamic acids, metabolism of, 232.Pteroylheptaglutamic mid, 230.Pteroyltriglutamic acid, 230.Purple, visual, 259, 260.Pyrene, electronic structure of, 15.Pyridine, dipole moments and electronicstructure of, 15.Pyrimidine, 2 : 6-dichloro-4-amino-, cry-stal structure of, 64.Pyrolysis curves, 269.Quartz, large crystals of, 9.Quinamine, 203.QuinoI, crystal structure of, 85,Quinoline, 8-hydroxy-, tautomeric forms,Quinolizidines, 148.Quinones, oxidation-reduction potentialsRadioac tivation analysis, 2 85.Radium-beryllium source of neutrons, 287.'' Rain-making," 28.Raman effect, analysis by means of, 276.Ramsdellite, crystal structure of, 73.Rauwolfia serpentinnt, 210.Reactions, addition, 148.Reagents, organic, for inorganic analysis,Reduction, 140.Repandrine, 201.Reproduction, carotenoids in, 247.Resonance absorption, micro-wave para-Retina, pigments of, 259.Retinene,, 181, 261.Retinene,, 181, 261.Rhenium oxyfluorides, I1 1.Rhodium, precipitation of, organic re-agents for, 271.Rhodopsin, 259, 260.RhodospiTillum mbrum, pigment from, 247.Rhodotorula rubra, carotenoids of, 244.Rhodoviolascin, 247.Rhombinine, 200.Rochelle salt, ferro-electric domains in, 21.Rubber, structure and thermodynamics of,Rubidium hydroxide, crystal structure of,Rubremetinium salts, 202.aemia, 231.38.of, 15.271.magnetic, 40.33.23INDEX OF SUBJECTS.331Rutmarpine, 196.Ruthenium, radioactive, fire assay of, 270.Salts, acid, crystal structure of, 80.Samarium and its compounds, 97.magnetic susceptibility of, 96.Sarcoma, ROW, inhibition of, by anti-folic acid compounds, 231.Scandium, precipitation of, with phyticacid, 271.Scotopic dominator curve, 259.Selachyl alcohol, 167.Selenides, 108.crystal structure of, 71.Selenious mid, crystal structure of, 80.Selenium, liquid, density of, 21.molten, surface tension of, 19.Selenochromi tes, 10 8.Selenopentathionates, 108.Self-diffusion with isotopes, 11.Sempervirine, 205.Serine, preparation of, 187.Silicate melts, electrical conductivity of,Silicates, crystal structure of, 76.Silicides, crystal structure of, 68.Silicon, non-cubic, 23.Silicones, crystal structure of, 76.spectra of, infra-red, 33.Silver acetylides, 92.sulphate, iodine oxidation by, 92.Sodamide, condensations with, 153.Sodio triphenylmethane, condensationsSodium, detection of, 290.in liquid ammonia, reduction with, 146.2*isotope, diffusion of, into glass, 10.Sodium borohydride, crystal structure of,hydrogen carbonate, crystal structurenitrate and nitrite, analysis of mixturesof, 279.nitride, Debye temperature of, 23.oxides, 90.polyselenides, 108.selenopentathionate, 108.stannates, 102.telluropentathionate, 108.at.wt. of, 96.29.with, 153.84.reduction with, 146.of, 80.Solid state, physical chemistry of, 22.Solids, adsorption of gases on, 28.Solochrome-blue, 283.Sparteine, 199.(& f-Spartejne, 148.Spectra, configurational and vibrational,17.Raman, 276.Raman and ultra-violet absorption, 14.rotational, 13.with camera, 278.excitation of, 277.of crystals, 23.Spectrographs, microwave, 302.Spectrometry, mass, in gas analysis, 298.Spectroscopy, absorption, analytical appa-Spirilloxanthin, 247.Sprue, tropical, treatment of, 231.Squids, eyes, pigment from, 261.Stannates, 102.Stearic acid, pure, 160.Stibine, detection of, 298.Strontium azide, crystal structure of, 83.selenide, 108.Strychnine, 206.crystal structure of, 58.reduction of, 143.neostrychnine, 208.Strychnone, properties of, 207.Strychnos alkaloids, 206.Styrene, &nitro-, reduction of, 142.Substitution, aliphatic, influence ofneighbouring polar groups on, 122.ratus for, 301.in gas analysis, 300, 301.electrophilic, 13 1.nuclsophilic, 115,Subvitamin A, 183.Sulphamide, preparation of, 108.Sulphides, crystal structure of, 69.diSulphides, reduction of, 146.Sulphonation, aromatio, 135.Sulphosalicyliz acid as masking agent, 273.Sulphur, diatomic, magnetic susceptibilitydetection of, 290.determination of, in organic compounds,isotopes, 106.radio-isotope, in benzylpenicillin, 10.removal of, in combustion analysis, 282.monofluoride, 108.dioxide, determination of, 300.trioxids, determination of, mixed withdioxide, 300.oxides, determination of, 297.Sulphuric acid, nitration in, 132.sulphonation in, 135.Surface chemistry, 28.Surface tension of liquid metals, 19.Systems, non-aqueous, ionic processes in,Tantalum borides, crystal structure of, 68,pen-tabromide and pentachloride, vapouriodide, vapour pressure of, 105.Technetium, crystal structure of, 67.separation of, from molybdenum, 11 1,Telluric acid, electrochemistry of, 108.Tellurides, crystal structure of, 71.Tellurium, reactions of, 108.Tellurium tetraiodide, 108.Telluropentathionates, 108.Teloidine, 196.Tetrachloroaurates, decomposition of, 92.Tetrahydro-4-pyranY 4-hydroxy-, 4-acetylderivative, 151.Tetrahydroyobyrin, 203.of, 107.284.Sulphur compounds, 107.30.69.pressures of, 105332 INDEX OF SUBJECTS.Tetralin, autoxidation of, 32.Tetratriacontanoic acid, 159,Thallium, precipitation of, with phyticacid, 272.isoThebaine, 201.Thermodynamics, 7.Thermopsis rhornbifolia, 200.Thiacyclohexan-4-one methiodide, syn-Thienoyltrifluoroacetone, zirconium com-Thiochromites, 108.Thioglycollic acid as masking agent, 273.Thiophthen, crystal structure of, 64.2-Thiothiazolid-5-one, use of, in syntheses,Thiouracil, effect of, on carotene absorp-Thiourea complexes, 156.Thorium, determination and separation of,ion radii for.23.Thorium iodides, 98.sulphides, crystal structure of, 70.Threonine, synthesis of, 188.Thulium, determination of, in erbium, 289.magnetic susceptibility of, 96.Thymidine, replacement of vitamin B,,Thymine, folic acid replacement by, 233.Thyroid, activity of, and vitamin A, 256.Thyroxine, analogues, synthesis of, 193.DL-Thyroxine, synthesis of, 192.Titanium amides and borohydride, 102.theses with, 152.plex of, 102.186.tion, 257.on vitamin A storage, 256.270.by, 238, 239.sesquioxide, temperature effects on, 26.oxides, crystal structure of, 73.selenida, crystal structure of, 71.tellurides, crystal structure of, 7 1.Tobacco mosaic vim, 21 1.Toluene, p-nitro-, sulphonation of, 135.Toluene-p-sulphonates, hydrolysis of, 145.Tomato bushy-stunt virus, X-ray struc-Torulene, 244.Tourmaline, crystal structure of, 59, 77.Transient orange, 261,264.Trilobamine, 202.Trilon A and B, 274.Tr ime thylaluminium, 100.BBB-Trimethylborazole, 16.Triphenylcarbinol, tri-p-nitro-, nitrationTriphenylmethyl bromide, ionisation of,chloride, reaction of, with methanol inture of, 33.of, 133.with stannic bromide, 30.benzene, 116.Tritium, half life of, 10.Trona, crystal structure of, 82, 101.Trout, brown, carotenoids of, 247.rainbow, carotenoids in, 247.Tryptophan, synthesis of, 193.DL-Tryptophan, resolution of, 194.Tuberculostearic acid, 160.Tungsten, and its compounds, 109.Tungsten oxides, crystal structure of, 72.Tyrosine, synthesis and resolution of,192.Ultrasonics and liquid structure, 20.Undecanoyl chloride, ll-hydroxy-, 1 I-acetyl derivative, reaction of, withoctadecylzinc bromide, 158.Undec-6-enoic acid, 165.Uramildiacetic acid, 274.cisr- and trans-Uranic elements, 88.Uranides, 88.Uranium ions, hydrolyeis of, 98.radii for, 23.precipitation of, organic reagents for,Uranium chlorides, crystal structure of,271.65.trideuteride, 24.tr.ihydride, 24.oxides, crystal structure of, 74.silicides, crystal structure of, 68.Uranium metals, halides, crystal structureUrea, aliphatic complexes with, 156.magnetic susceptibility and structurecrystal structure of, 67.of, 75.of, 38.Vaccenic acid, 165.Valine, preparation of, 187.Vallesia glabra, 206.Vallesine, 206.Vanadium, precipitation of, organicVanadium tetrachloride, dimerisation of,trioxide, as hydrogenation catalyst, 105.reagent for, 271.105.crystal structure of, 72.Vinyl chloride, polymerisation of, 42.Violaxanthin, 244.Vision, biochemistry of, 258.Vitamin A acid, 172.activity, 249.aldehydes, 172, 181.analogues, syntheses of, 175.and its derivatives, spectra of, 262.and its esters and ethers, 168.and thyroid activity, 256.congeners of, 180.determination of, 251, 252.epoxide, 183.mobilisation of liver reserves of, 257.physiology of, 257.requirements of, for adult humans, 253.standards for, 250.standardisation of, 250.biological, 251.synthesis of, 169.isoVitamin A, 176.IzeoVitamin A, 168, 252.neovitamin A,, 252.Vitamin A,, 180, 262.Vitamin A,, 173.Vitamin B12, 234.in animal nutrition, 235.in metabolism, 239Vitamin BIz0 in treatment of perniciousanemia, 240.Vitamin BI2), 235.in treatment of pernicious anzmia, 240.Vitamin B13, 237.Vomicine, 209.Vomipyrine, 210.Water, absorption of, by proteins, 33.dissolved, effect of, on crystal structure,vapour, determination of, 299, 300.27.Weighing, 269.Weights, 269.Wells, thermo-artesian, 8.Whale-liver oil, determination in, ofvitamin A, 252.Xenon, isotopes, 90.Xerophthalmia, effect of earotene in, 256.Yobyrin, 203.Yohimbine, 203.Yohimbine alkaloids, theory of formationof, 197.Yttrium, magnetic susceptibility of, 96.Zinc, at.wt. of, 94.Zinc oxide, solubilities of, in metallicoxides, 24.Zirconium, determination of, in presenceof hafnium, 289.Zirconium compounds, 102.oxysulphide, crystal structure of, 71.Zoopherin, 236PRINTED LV GREAT BRITAIN BYRICHARD CLAY AND COMPANP, LTD.,RUNGAP, SUFFOLG