A Manual of the detection of poisons by medico-chemical analysisH. Baillière, 1857 - 170 pages |
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Page 38
Friedrich Julius Otto. longer take place , and sometimes the arsenic - spot even disappears . § 21. It is , as above indicated , one of the great advantages of this apparatus , that it furnishes differ- ent and equally characteristic ...
Friedrich Julius Otto. longer take place , and sometimes the arsenic - spot even disappears . § 21. It is , as above indicated , one of the great advantages of this apparatus , that it furnishes differ- ent and equally characteristic ...
Page 45
... takes place . Another very important distinguishing test ! A drop of strong sulphureted hydrogen water , when added to the solution of an arsenic - spot , produces a lemon- yellow precipitate of sulphide of arsenic ; when added to the ...
... takes place . Another very important distinguishing test ! A drop of strong sulphureted hydrogen water , when added to the solution of an arsenic - spot , produces a lemon- yellow precipitate of sulphide of arsenic ; when added to the ...
Page 49
... takes place at the plane of contact of the two strata , and by very gradually and carefully mixing the two strata it is not difficult to add just sufficient ammonia to make the precipitate permanent . The pre- cipitate of arsenite of ...
... takes place at the plane of contact of the two strata , and by very gradually and carefully mixing the two strata it is not difficult to add just sufficient ammonia to make the precipitate permanent . The pre- cipitate of arsenite of ...
Page 60
... takes place , in this case , in atmospheric air , and traces of the metal may , therefore , escape detection , in conse- quence of oxidation . Hence , the use of the above described apparatus , where the volatilization of the arsenic is ...
... takes place , in this case , in atmospheric air , and traces of the metal may , therefore , escape detection , in conse- quence of oxidation . Hence , the use of the above described apparatus , where the volatilization of the arsenic is ...
Page 77
... performed in a cur- rent of hydrogen gas , the last - named mixture also affords an arsenic- mirror , owing to the reduction of the arsenic acid .- ( H . Rose . ) duction takes place , the characteristic white colora- tion of ARSENIC . 77.
... performed in a cur- rent of hydrogen gas , the last - named mixture also affords an arsenic- mirror , owing to the reduction of the arsenic acid .- ( H . Rose . ) duction takes place , the characteristic white colora- tion of ARSENIC . 77.
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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