A Manual of the Detection of Poisons by Medico-chemical Analysis |
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Page 16
The successful process of reduction , the odor of the vaporized arsenic mirror ,
and its conversion into a white crystalline sublimate , are sufficient proofs that the
white substance under trial consists of arsenious acid . $ 5 . If several grains of ...
The successful process of reduction , the odor of the vaporized arsenic mirror ,
and its conversion into a white crystalline sublimate , are sufficient proofs that the
white substance under trial consists of arsenious acid . $ 5 . If several grains of ...
Page 17
1 ) alone , it yields an arsenic mirror . Thrown on incandescent charcoal , it
evolves the characteristic alliaceous odor . — The powder , when heated with
nitric acid , yields , with evolution of nitrous acid vapor , a solution of arsenic acid
( or of ...
1 ) alone , it yields an arsenic mirror . Thrown on incandescent charcoal , it
evolves the characteristic alliaceous odor . — The powder , when heated with
nitric acid , yields , with evolution of nitrous acid vapor , a solution of arsenic acid
( or of ...
Page 22
If , after this time , the odor of sulphureted hydrogen should be but faint ,
sulphureted hydrogen gas is again passed into it , and the liquid again left
standing for some time , at a moderately warm place . By this means , and only by
this means ...
If , after this time , the odor of sulphureted hydrogen should be but faint ,
sulphureted hydrogen gas is again passed into it , and the liquid again left
standing for some time , at a moderately warm place . By this means , and only by
this means ...
Page 23
For this purpose , the liquid is heated in a waterbath , and so much of a
concentrated solution of sulphurous acid , or sulphite of soda added that the odor
of sulphurous acid is distinctly observable ; the heat is then continued until the
odor has ...
For this purpose , the liquid is heated in a waterbath , and so much of a
concentrated solution of sulphurous acid , or sulphite of soda added that the odor
of sulphurous acid is distinctly observable ; the heat is then continued until the
odor has ...
Page 24
... •poured on it ; the precipitate is then divided into a thin , homogeneous paste ,
by means of a feather , and ammonia added , drop by drop , as long as solution
takes place , or until an excess of the solvent is clearly indicated by the odor .
... •poured on it ; the precipitate is then divided into a thin , homogeneous paste ,
by means of a feather , and ammonia added , drop by drop , as long as solution
takes place , or until an excess of the solvent is clearly indicated by the odor .
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A Manual of the Detection of Poisons by Medico-Chemical Analysis (Classic ... Friedrich Julius Otto No preview available - 2015 |
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added addition alcohol alkaloid ammonia analyst antimony apparatus appear applied arsenious acid becomes boiling carbonate carbonate of soda cause caustic characteristic Chemical Chemistry Chimie chloride cloth collected color completely concentrated consists containing contents copper cyanide deposited described detection dilute dish dissolved distillate drop easily edition effect escaping ether evaporation examination excess experiments filter filtrate flame formed glass heated hydrochloric acid iron lead liquid London manner Marsh mass matter means metallic method mirror mixed mixture necessary nitrate of silver nitric acid observed obtained odor operation organic matter oxide Paris passed placed poison porcelain portion potassa potassium poured precipitate prepared presence produced pure quantity reaction reduction remains removed residue resulting retort salts separated soda soluble solution substances sufficient sulphide of arsenic sulphureted hydrogen sulphuric acid takes tion trace treated treatment tube volatile vols washed whole yellow zinc
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Page 179 - ANNALES DE CHIMIE, ou Recueil de memoires concernant la chimie et les arts qui en dependent [/rant vol.
Bibliographic information
| Title | A Manual of the Detection of Poisons by Medico-chemical Analysis |
| Author | Friedrich Julius Otto |
| Translated by | William Elderhorst |
| Publisher | H. Baillière, 1857 |
| Length | 170 pages |
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