A Manual of the Detection of Poisons by Medico-chemical Analysis |
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Page 21
The chlorine , or the compounds of chlorine , which are formed and set free by
the action of the hydrochloric acid on the chlorate of potassa , act decomposing
on the organic substances , and convert the arsenic , in whatever form it may
occur ...
The chlorine , or the compounds of chlorine , which are formed and set free by
the action of the hydrochloric acid on the chlorate of potassa , act decomposing
on the organic substances , and convert the arsenic , in whatever form it may
occur ...
Page 22
On the other hand , the formation of a precipitate , after the passage of a current
of sulphureted hydrogen gas , does not warrant the inference that arsenic is
present , since , almost invariably , a deposition 22 THE DETECTION OF
POISONS .
On the other hand , the formation of a precipitate , after the passage of a current
of sulphureted hydrogen gas , does not warrant the inference that arsenic is
present , since , almost invariably , a deposition 22 THE DETECTION OF
POISONS .
Page 23
If sulphureted hydrogen is passed into the liquid , which is filtered off from the first
precipitate , caused by sulphureted hydrogen , another precipitate will be formed
, even if it no longer contains any arsenic . Since arsenious acid is much more ...
If sulphureted hydrogen is passed into the liquid , which is filtered off from the first
precipitate , caused by sulphureted hydrogen , another precipitate will be formed
, even if it no longer contains any arsenic . Since arsenious acid is much more ...
Page 31
This is necessary , because every atom of sulphuric acid which is carried from the
gas - bottle into the tube containing the chloride of calcium , sets some
hydrochloric acid free , which , by its presence , prevents the formation of the
arsenic ...
This is necessary , because every atom of sulphuric acid which is carried from the
gas - bottle into the tube containing the chloride of calcium , sets some
hydrochloric acid free , which , by its presence , prevents the formation of the
arsenic ...
Page 33
But if a mirror or crust has been formed , purer materials must be looked for . It is
a great advantage of the process of Marsh , that it admits of this easy mode of
testing the purity of the necessary materials , and in the very same way that is ...
But if a mirror or crust has been formed , purer materials must be looked for . It is
a great advantage of the process of Marsh , that it admits of this easy mode of
testing the purity of the necessary materials , and in the very same way that is ...
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A Manual of the Detection of Poisons by Medico-Chemical Analysis (Classic ... Friedrich Julius Otto No preview available - 2015 |
Common terms and phrases
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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