A Manual of the detection of poisons by medico-chemical analysisH. Baillière, 1857 - 170 pages |
From inside the book
Results 6-10 of 34
Page 60
... potassium and carbonate of soda . The reason why Fresenius and Babo did not re- commend this simple method of reduction is very apparent . The volatilization of the arsenic takes place , in this case , in atmospheric air , and traces of ...
... potassium and carbonate of soda . The reason why Fresenius and Babo did not re- commend this simple method of reduction is very apparent . The volatilization of the arsenic takes place , in this case , in atmospheric air , and traces of ...
Page 70
... potassium is formed , which , on being decomposed with hydrochloric acid , gives rise to the formation of sulphureted hydrogen ; this acts on the arsenious acid which has entered into solution and precipitates sulphide of arsenic . In ...
... potassium is formed , which , on being decomposed with hydrochloric acid , gives rise to the formation of sulphureted hydrogen ; this acts on the arsenious acid which has entered into solution and precipitates sulphide of arsenic . In ...
Page 73
... potassium and carbonate of soda answers still better than charcoal ; the reduction is then executed as taught § 35 . § 48. Instead of precipitating arsenic acid with lime - water , it is much to be preferred to effect the precipitation ...
... potassium and carbonate of soda answers still better than charcoal ; the reduction is then executed as taught § 35 . § 48. Instead of precipitating arsenic acid with lime - water , it is much to be preferred to effect the precipitation ...
Page 90
... potassium , added to another por- tion of the filtrate , produces a red precipitate , or merely a red color of the liquid , even in presence of a very small quantity of copper ; the presence of iron makes the reaction indistinct . The ...
... potassium , added to another por- tion of the filtrate , produces a red precipitate , or merely a red color of the liquid , even in presence of a very small quantity of copper ; the presence of iron makes the reaction indistinct . The ...
Page 93
... added in excess , imparts to the liquid a deep blue color . Ferrocyanide of potassium causes a brownish - red coloration , or brownish - red precipitate . A piece of bright , metallic iron - a knife - blade , COPPER . 93.
... added in excess , imparts to the liquid a deep blue color . Ferrocyanide of potassium causes a brownish - red coloration , or brownish - red precipitate . A piece of bright , metallic iron - a knife - blade , COPPER . 93.
Common terms and phrases
acetate acidulated added alcohol alkaline alkaloid ammonia analysis antimony apparatus application arseneted hydrogen arsenious acid becomes boiling brucine carbonate of potassa carbonate of soda caustic potassa caustic soda Chemical Chemistry Chimie Chimique chlorate of potassa chloric acid chloride color colorless concentrated conicine containing copper crystals cyanide cyanide of potassium deposited detection dilute dissolved distillate drop edition ethereal solution evaporation excess filter filtrate flame formed gentle heat glass hydrochloric acid hydrocyanic acid hydrogen gas insoluble liquid London mass mercury metallic method mirror mixed mixture morphine nicotine nitrate of silver nitric acid obtained odor organic matter oxalic acid oxide Paris particles phosphorus Physique placed planches poison porcelain porcelain dish portion potassium poured presence produced pure reagents reduction reduction-tube residue retort salts spots strychnine substances under examination sulphate sulphide of antimony sulphide of arsenic sulphocyanide sulphureted hydrogen sulphuric acid tion Traite treated Treatise tube veratrine volatile vols white precipitate zinc
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