A Manual of the Detection of Poisons by Medico-chemical Analysis |
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Page 21
In consideration of the fact that , from a liquid containing arsenious or arsenic
acid , and hydrochloric acid , chloride of arsenic may escape in the gaseous state
, the analyst might feel inclined to perform the operation , viz . : the treatment of
the ...
In consideration of the fact that , from a liquid containing arsenious or arsenic
acid , and hydrochloric acid , chloride of arsenic may escape in the gaseous state
, the analyst might feel inclined to perform the operation , viz . : the treatment of
the ...
Page 23
Formerly it was laid down as a rule to set the liquid aside before filtering it , until
the whole of the sulphureted hydrogen had evaporated , and the principal object
of placing the vessel at a moderetely warm spot , was to facilitate the escape of ...
Formerly it was laid down as a rule to set the liquid aside before filtering it , until
the whole of the sulphureted hydrogen had evaporated , and the principal object
of placing the vessel at a moderetely warm spot , was to facilitate the escape of ...
Page 29
The process of Marsh does not yield the whole of the arsenic , as we shall see
hereafter , whereas the process of Fresenius and Babo affords the whole of it in
the reduced state , but it is scarcely possible to entirely prevent the escape of a
part ...
The process of Marsh does not yield the whole of the arsenic , as we shall see
hereafter , whereas the process of Fresenius and Babo affords the whole of it in
the reduced state , but it is scarcely possible to entirely prevent the escape of a
part ...
Page 33
When all the atmospheric air may be supposed to have been expelled from the
apparatus , the escaping gas is kindled , and the flame made to strike against a
dish or a saucer of glazed white porcelain , which is held horizontally into the
flame ...
When all the atmospheric air may be supposed to have been expelled from the
apparatus , the escaping gas is kindled , and the flame made to strike against a
dish or a saucer of glazed white porcelain , which is held horizontally into the
flame ...
Page 34
... before proceeding any further . While the reduction - tube is in a state of vivid ·
incandescence at the part immediately before the first narrowing and the
escaping gas burning , the liquid to be tested for arsenic is poured into the bottle
through ...
... before proceeding any further . While the reduction - tube is in a state of vivid ·
incandescence at the part immediately before the first narrowing and the
escaping gas burning , the liquid to be tested for arsenic is poured into the bottle
through ...
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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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