A Manual of the Detection of Poisons by Medico-chemical Analysis |
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Page 13
... at 100 ° C. after cooling and resting for 2 days , 1.25 11.47 2.90 0.96 9.68 1.78 Alfred Taylor observed that water , boiling gently for an hour , dis the attention of the analyst ought first to be directed ARSENIC . 13.
... at 100 ° C. after cooling and resting for 2 days , 1.25 11.47 2.90 0.96 9.68 1.78 Alfred Taylor observed that water , boiling gently for an hour , dis the attention of the analyst ought first to be directed ARSENIC . 13.
Page 14
... boiling solution of the transparent modifi- cations contained 4.6 or 4.75 per cent . , and on cooling and resting for 2 days retained 1.87 or 1.34 . The presence of organic principles appears to impair its solubility Christison found ...
... boiling solution of the transparent modifi- cations contained 4.6 or 4.75 per cent . , and on cooling and resting for 2 days retained 1.87 or 1.34 . The presence of organic principles appears to impair its solubility Christison found ...
Page 16
... boiling * water , and the solution mixed with a few drops of a solution of nitrate of silver ; some very dilute caustic ammonia is then added , drop by drop , or by means of a glass rod , when the characteristic yellow preci- pitate of ...
... boiling * water , and the solution mixed with a few drops of a solution of nitrate of silver ; some very dilute caustic ammonia is then added , drop by drop , or by means of a glass rod , when the characteristic yellow preci- pitate of ...
Page 21
... boiling point . § 10. The next operation is the precipitation of the arsenic from the liquid as sulphide . The liquid is poured into a spacious beaker - glass , or a flask , and a current of washed sulphureted hydrogen gas slowly passed ...
... boiling point . § 10. The next operation is the precipitation of the arsenic from the liquid as sulphide . The liquid is poured into a spacious beaker - glass , or a flask , and a current of washed sulphureted hydrogen gas slowly passed ...
Page 40
... boiling the liquid with protoxide of copper , sulphide of copper and arsenate of potassa are formed . The liquid , after having been acidulated with sulphuric acid , is well adapted for Marsh's apparatus , but offers no advan- tages ...
... boiling the liquid with protoxide of copper , sulphide of copper and arsenate of potassa are formed . The liquid , after having been acidulated with sulphuric acid , is well adapted for Marsh's apparatus , but offers no advan- tages ...
Other editions - View all
A Manual of the Detection of Poisons by Medico-Chemical Analysis (Classic ... Friedrich Julius Otto No preview available - 2015 |
MANUAL OF THE DETECTION OF POI Friedrich Julius 1809-1870 Otto,William 1828-1861 Elderhorst No preview available - 2016 |
Common terms and phrases
acidulated added alcohol alkaline alkaloid ammonia antimony apparatus arse arseneted hydrogen arsenic-spots arsenious acid becomes boiling carbonate of soda carbonic acid caustic potassa caustic soda Chemical Chemistry Chimie chlorate of potassa chloric acid chloride cipitate color concentrated conicine copper cyanide cyanide of potassium deposited detection of arsenic dissolved distillate drop edition excess filter filtrate flame formed Fresenius and Babo gentle heat glass hydro hydrochloric acid hydrocyanic acid hydrogen gas London mass mercury metallic arsenic method mixed mixture moistened morphine nicotine nitrate of silver nitric acid obtained odor organic matter oxalic acid oxide Paris placed poison porcelain porcelain dish portion potassium poured precipitate presence process of Marsh produced pure reaction reagents reduction reduction-tube residue retort salts soluble solution of nitrate stomach strychnine sufficient sulphate sulphide of antimony sulphide of arsenic sulphocyanide sulphureted hydrogen sulphuric acid terchloride tion Traite treated tube volatile vols washed whole yellow precipitate zinc
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