A Manual of the detection of poisons by medico-chemical analysisH. Baillière, 1857 - 170 pages |
From inside the book
Results 6-10 of 35
Page 28
... take into consideration the re- duction of the arsenic , which , as above ( § 12 ) stated , is the only conclusive proof for the presence of the poison , partly because the arsenic , in its metallic state , is easily recognized as such ...
... take into consideration the re- duction of the arsenic , which , as above ( § 12 ) stated , is the only conclusive proof for the presence of the poison , partly because the arsenic , in its metallic state , is easily recognized as such ...
Page 32
... take the dry- ing - tube of the diameter of the reduction - tube , and to draw it out at the other end to the diameter of the delivery - tube ( b ) . Two small tubes of vulcanized India - rubber are then sufficient to effect a close con ...
... take the dry- ing - tube of the diameter of the reduction - tube , and to draw it out at the other end to the diameter of the delivery - tube ( b ) . Two small tubes of vulcanized India - rubber are then sufficient to effect a close con ...
Page 34
... takes but a few moments . It may , possibly , also be necessary to replace the zinc , or , at least , to pour off the liquid , which may have become too much saturated by sulphate of zinc . * It is hardly necessary to mention that if a ...
... takes but a few moments . It may , possibly , also be necessary to replace the zinc , or , at least , to pour off the liquid , which may have become too much saturated by sulphate of zinc . * It is hardly necessary to mention that if a ...
Page 36
... take at first a dilute solution , acidulated with a drop or two of nitric acid , and adding gradually of a more concentrated one , in case a large deposit of metallic silver should be formed . In this experiment the reduction - tube may ...
... take at first a dilute solution , acidulated with a drop or two of nitric acid , and adding gradually of a more concentrated one , in case a large deposit of metallic silver should be formed . In this experiment the reduction - tube may ...
Page 37
... other hand , a spot of the dish must not be held into the flame for any great length of time ; otherwise , the place be- comes so hot that a deposition of arsenic can no longer take place , and sometimes the arsenic - spot ARSENIC . 37.
... other hand , a spot of the dish must not be held into the flame for any great length of time ; otherwise , the place be- comes so hot that a deposition of arsenic can no longer take place , and sometimes the arsenic - spot ARSENIC . 37.
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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