MEMOIRS AND PROCEEDINGS OF THE CHEMICAL SOCIETY O F LONDON FOB 184.'3-1844 AND 1844-1645. VOL. 11. LONDON PRINTED BY RICHARD AND JOHN E. TAYLOR RED LION COURT FLEET BTRELT. 1845. C 0 NTENT S. Paw 1 9 - On the Products of the Distillation of Meconic Acid. By John Sten- 11OUSP 1’h.I). ................................................................. Further Contributions to the Chemical History of the Products of the Decomposition of Uric Acid. By William Gregory M.D. F.R.S.E. ........................................................................ Additional Observations on Zthogen. By W. H. Balmain Esq. ... 15 O n the Solubility of the Metals in Persulphate and Perchloride of Iron. By Mr. Jarnes Napier .............................................16 Observations on Fermentation. By John N. Furze Esq. ............ 21 Note on a paper on Ferric Acid read May 16 1843. By John Robert Warington Esq. ................................................... On a Class of Double Sulphates containing Soda and a Magnesian Oxide. By A. R. Arrott Esq. ............................................ Experiments on the Heat disengaged in Combinations. By Thomas Graham Esq. F.R.S. &c. ................................................ Note on a Means of Preserving the Crystals of Salts as permanent objects for Microscopic Investigation. By Robert Warington Esq. 71 Observations on the Green Teas of Commerce. By Robert Waring- Denham Smith Esq. .........................................................25 Observations on the Circular Polarization of Light by trailsmission through Fluids. By H. B. Leeson M.D. A.M. ..................... 26 By John Thomas Cooper Esq. ... 45 Observations on Catechuic Acid. On a curious’Change in the Molecular Structure of Silver. By 47 49 5 1 73 Account of a new Cyanide of Gold. By Mr. John Carty ............ 80 On the Cyanides of the Metals and their Combinations with Cyanide 82 92 ton Esq. ........................................................................ of Potassium. By Messrs. Charles F. 0. Glassford and James Napier :- Part I. Cyanide of Gold .......................................... Part 11. Cyanide of Silver .......................................... On the occurrence of Fluorine in Recent as well as in Fossil Bones.On a Spathic Carbonate of Iron. By Mr. John Thomas Way ...... 105 By Charles Daubeny M.D. F.R.S.. ...................................... On some of the Salts of Meconic and Komenic Acids. By John Report &c. ........................................................................ Stenhouse Ph.D. ........................................................... 97 109 113 iv On the Reduction of the Salts of Peroxide of Iron by means of Vege- -g\e table Substances. By John Stenhouse Ph.D. ........................ 120 On the Hydrate of the Oil of Laurel Turpentine. By John Sten- house Ph.D. .................................................................. 121 On East Indian Grass Oil. By J. Stenhouse Ph.D................... 122 Observations on the Pharmaceutical and Chemical Characters of the Peruvian Matico. By John F. Hodges M.D. ........................ 123 On an improved Method for the Detection and Quantitative Deter- mination of Arsenic. By Remigius Fresenius M.D ................... I29 On Fluorine in Recent and Fossil Bones and the sources from whence it is derived. By J. Middleton Esq. .................................... 134 On the occurrence of Mannite in the Laminaria sacchnrina and other Sea-weeds. By John Stenhouse Ph.D .................................. 136 On the Composition of some varieties of South American Guano ; with the description of a new mode of estimating Ammonia and of a process for separating Lime from Magnesia when these earths exist in combination with Phosphoric Acid.By J. Denham Smith Esq. .............................................................................. 140 Observations upon the Decomposition of the Double Cyanides by an Electric Current. By Mr. James Napier .............................. 158 Abstract of a Letter from H. B. Leeson M.D. on the Preparation of Fluoride of Iodine ............................................................. 162 On the Composition of Narcotine and some of its products of De- composition by the action of Bichloride of Platinum. By J. Blyth Fresenius ....................................................................... 179 M.D. .............................................................. .- ............ 163 On the Inorganic Constituents of Plants.By Drs. H. Will and R. Examination of a Specimen of diseased Wheat. By Mr. J. Carty ... 199 Analysis of the Bonnington Water near Leith Scotland. By Edward G. Schweitzer Esq. ......................................................... 201 Description of a Chemical Lamp-Furnace. By Edward dolly Esq 218 Notice of a new Hydrated Phosphate of Lime. By John Percy M.D. 222 On a curious Change in the Composition of Bones taken from the Guano. By Robert Warington Esq. ................................. 223 On a means of detecting Kink Acid. By John Stenhouse Ph.D. ... 226 Remarks upon Chloranil. By Augustus William Hofmann Ph.D.. .. 227 On the Decomposition of Oxides and Salts by Chlorine. By Alex- ander W. Williamson Esq................................................. 234 On some of the Substances which reduce Oxide of Siiwr and precipi- tate it on Glass in the form of a Metallic Mirror. By John Sten- On the Decomposition of Salts of Ammonia at ordinary Temperatures. On some commercial Specimens of Green Glass. By Robert Wa- On certain Processes in which Aniline is formed. By Drs. J. S. Mus- house Ph.D. .................................................................. 242 By H. Bence Jones M.D. ................................................ 244 rington Esq. .................................................................. $47 pratt and A. W. Hofmann ................................................ 249 V Page Observations on the Decomposition of Metallic Salts by an Electric Current.By Mr. James Napier .......................................... 255 On the Distilled Waters of our Pharmacopaeias. By Robert Wa- rington Esq. .................................................................. 261 On the Metamorphoses of Indigo. Production of Organic Bases which Assistant in the Giessen Laboratory .................................... 266 contain Chlorine and Bromine. By Dr. August Wilhelm Hofmann On the Structure of Electro-precipitated Metals. By Warren De la On the true Composition of Chlorindatmit. By August Wilhelm Analyses of Farm-Yard Manure and of Coal-Gas. By Thomas 309 Rue Esq. ..................................................................... 300 Hofmann Ph.D. ............................................................306 Richardson Esq. ............................................................ On a New Phosphate of Magnesia. By Wm. Gregory M.D. ......... 310 Contributions to Actino-Chemistry. By Robert Hunt Esq. Secre- tary to the Royal Cornwall Polytechnic Society &c. ............... 311 On Brown Iron Ore. By Lieut.-Col. P. 1. Yorke. ..................... 321 Observations on the Action of Animal Charcoal. By Robert Wa- 326 Annual Report of the Council ................................................ 329 rington Esq. .................................................................. On Styrole and some of the products of its decomposition. By Dr. John Blyth and Dr. August Wilhelm Hofmann ........................ 334 Note on the useful applications of the Refuse-Lime of Gas-works.By Thomas Graham Esq. F.R.S. ....................................... 358 Contributions to the Knowledge of Conjugate Compounds. By Dr. H. Kolbe Chemical Assistant in the University of Marburg ...... 360 On Toluidine a new OrgaQic Base. By James Sheridan Muspratt Ph.D. and Augustus William Hofrnann Ph.D. ..................... 367 On the Conversion of Cane-sugar into a substance isomeric with Cel- lulose and lnulin. By Thomas Tillep Esq. Ph.D. and Douglas On the Action of Bleaching Powder on the Salts of Copper and Lrad. Maclagan M.D. F.R.S. Edin. .......................................... 384 By Walter Crum Esq. F.R.S .............................................. 387 Note on the Existence of Phosphoric Acid in the Deep.Wel1 Water of the London Basin.By Thomas Graham Esq. F.R.S. ......... 392 On a Crystallized Alloy of Zinc Iron Lead and Copper. By Warren Some Experiments on Ozone. By A. W. Williamson Esq ............. 395 On the Solubility of Oxide of Lead in Pure Water. By Lieut.-Col. De la Rue Esq. ............................................................... 39:; .39!+ Philip Yorke .................................................................. On Atomic Volume and Specific Gravity. By Lyoii Playfair Esq. Ph.D. and J. P. Joule Esq. ................................................ 401 Index .............................................................................. 4 fi :i MEMOIRS AND PROCEEDINGS OF THE CHEMICAL SOCIETY O F LONDON FOB 184.'3-1844 AND 1844-1645.VOL. 11. LONDON: PRINTED BY RICHARD AND JOHN E. TAYLOR, RED LION COURT FLEET BTRELT. 1845 C 0 NTENT S. -Paw On the Products of the Distillation of Meconic Acid. By John Sten-11OUSP 1’h.I). ................................................................. Further Contributions to the Chemical History of the Products of the Decomposition of Uric Acid. By William Gregory M.D., F.R.S.E. ........................................................................ Additional Observations on Zthogen. By W. H. Balmain Esq. ... O n the Solubility of the Metals in Persulphate and Perchloride of Iron. By Mr. Jarnes Napier ............................................. Observations on Fermentation. By John N. Furze Esq. ............Note on a paper on Ferric Acid read May 16 1843. By John Denham Smith Esq. ......................................................... Observations on the Circular Polarization of Light by trailsmission Observations on Catechuic Acid. On a curious’Change in the Molecular Structure of Silver. By On a Class of Double Sulphates containing Soda and a Magnesian Oxide. Experiments on the Heat disengaged in Combinations. By Thomas Graham Esq. F.R.S. &c. ................................................ Note on a Means of Preserving the Crystals of Salts as permanent objects for Microscopic Investigation. By Robert Warington Esq. Observations on the Green Teas of Commerce. By Robert Waring-ton Esq. ........................................................................On the Cyanides of the Metals and their Combinations with Cyanide of Potassium. By Messrs. Charles F. 0. Glassford and James Napier :-through Fluids. By H. B. Leeson M.D. A.M. ..................... By John Thomas Cooper Esq. ... Robert Warington Esq. ................................................... By A. R. Arrott Esq. ............................................ Account of a new Cyanide of Gold. By Mr. John Carty ............ Part I. Cyanide of Gold Part 11. Cyanide of Silver .......................................... By Charles Daubeny M.D. F.R.S.. ...................................... .......................................... On the occurrence of Fluorine in Recent as well as in Fossil Bones. On a Spathic Carbonate of Iron. By Mr.John Thomas Way ...... Report &c. ........................................................................ On some of the Salts of Meconic and Komenic Acids. By John Stenhouse Ph.D. ........................................................... 1 9 15 16 21 25 26 45 47 49 5 1 71 73 80 82 92 97 105 109 11 iv -g\e On the Reduction of the Salts of Peroxide of Iron by means of Vege-table Substances. By John Stenhouse Ph.D. ........................ 120 On the Hydrate of the Oil of Laurel Turpentine. By John Sten-house Ph.D. .................................................................. 121 On East Indian Grass Oil. By J. Stenhouse Ph.D. .................. 122 Observations on the Pharmaceutical and Chemical Characters of the Peruvian Matico.By John F. Hodges M.D. ........................ 123 On an improved Method for the Detection and Quantitative Deter-mination of Arsenic. By Remigius Fresenius M.D ................... I29 On Fluorine in Recent and Fossil Bones and the sources from whence it is derived. By J. Middleton Esq. .................................... 134 On the occurrence of Mannite in the Laminaria sacchnrina and other Sea-weeds. By John Stenhouse Ph.D .................................. 136 On the Composition of some varieties of South American Guano ; with the description of a new mode of estimating Ammonia and of a process for separating Lime from Magnesia when these earths exist in combination with Phosphoric Acid. By J. Denham Smith, Esq. ..............................................................................140 Observations upon the Decomposition of the Double Cyanides by an Electric Current. By Mr. James Napier .............................. 158 Abstract of a Letter from H. B. Leeson M.D. on the Preparation of Fluoride of Iodine ............................................................. 162 On the Composition of Narcotine and some of its products of De-composition by the action of Bichloride of Platinum. By J. Blyth, M.D. .............................................................. .- ............ 163 By Drs. H. Will and R. On the Inorganic Constituents of Plants. Fresenius ....................................................................... 179 Examination of a Specimen of diseased Wheat. By Mr. J. Carty ...199 G. Schweitzer Esq. ......................................................... 201 Analysis of the Bonnington Water near Leith Scotland. By Edward Description of a Chemical Lamp-Furnace. By Edward dolly Esq 218 Notice of a new Hydrated Phosphate of Lime. By John Percy M.D. 222 On a curious Change in the Composition of Bones taken from the Guano. By Robert Warington Esq. ................................. 223 On a means of detecting Kink Acid. By John Stenhouse Ph.D. ... 226 Remarks upon Chloranil. By Augustus William Hofmann Ph.D.. .. 227 ander W. Williamson Esq. ................................................ 234 On the Decomposition of Oxides and Salts by Chlorine. By Alex-On some of the Substances which reduce Oxide of Siiwr and precipi-By John Sten-On the Decomposition of Salts of Ammonia at ordinary Temperatures.On some commercial Specimens of Green Glass. By Robert Wa-On certain Processes in which Aniline is formed. By Drs. J. S. Mus-tate it on Glass in the form of a Metallic Mirror. house Ph.D. .................................................................. 242 By H. Bence Jones M.D. ................................................ 244 rington Esq. .................................................................. $47 pratt and A. W. Hofmann ................................................ 24 V Page Observations on the Decomposition of Metallic Salts by an Electric Current. By Mr. James Napier .......................................... 255 On the Distilled Waters of our Pharmacopaeias. By Robert Wa-rington Esq................................................................... 261 On the Metamorphoses of Indigo. Production of Organic Bases which contain Chlorine and Bromine. By Dr. August Wilhelm Hofmann, Assistant in the Giessen Laboratory .................................... 266 By Warren De la Rue Esq. ..................................................................... 300 By August Wilhelm Hofmann Ph.D. ............................................................ 306 By Thomas Richardson Esq. ............................................................ 309 On the Structure of Electro-precipitated Metals. On the true Composition of Chlorindatmit. Analyses of Farm-Yard Manure and of Coal-Gas. On a New Phosphate of Magnesia. By Wm. Gregory M.D.......... 310 Contributions to Actino-Chemistry. ............... 311 On Brown Iron Ore. By Lieut.-Col. P. 1. Yorke. ..................... 321 Observations on the Action of Animal Charcoal. By Robert Wa-rington Esq. .................................................................. 326 Annual Report of the Council ................................................ 329 On Styrole and some of the products of its decomposition. By Dr. John Blyth and Dr. August Wilhelm Hofmann ........................ 334 Note on the useful applications of the Refuse-Lime of Gas-works. By Thomas Graham Esq. F.R.S. ....................................... 358 Contributions to the Knowledge of Conjugate Compounds. By Dr. H. Kolbe Chemical Assistant in the University of Marburg ......360 On Toluidine a new OrgaQic Base. By James Sheridan Muspratt, Ph.D. and Augustus William Hofrnann Ph.D. ..................... 367 On the Conversion of Cane-sugar into a substance isomeric with Cel-lulose and lnulin. By Thomas Tillep Esq. Ph.D. and Douglas Maclagan M.D. F.R.S. Edin. .......................................... 384 On the Action of Bleaching Powder on the Salts of Copper and Lrad. By Walter Crum Esq. F.R.S .............................................. 387 Note on the Existence of Phosphoric Acid in the Deep.Wel1 Water of the London Basin. By Thomas Graham Esq. F.R.S. ......... 392 On a Crystallized Alloy of Zinc Iron Lead and Copper. By Warren By Robert Hunt Esq. Secre-tary to the Royal Cornwall Polytechnic Society &c. De la Rue Esq. ............................................................... 39:; Some Experiments on Ozone. By A. W. Williamson Esq ............. 395 On the Solubility of Oxide of Lead in Pure Water. On Atomic Volume and Specific Gravity. Index .............................................................................. 4 fi :i By Lieut.-Col. By Lyoii Playfair Esq., Philip Yorke .................................................................. .39!+ Ph.D. and J. P. Joule Esq. ................................................ 40