A Manual of the detection of poisons by medico-chemical analysis |
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Page 21
The chemist will readily understand the object of this operation . 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 ...
The chemist will readily understand the object of this operation . 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 ...
Page 22
With regard to this operation , it must be borne in mind that arsenic acid , and in
this state the arsenic is contained in the liquid , is but slowly decomposed by
sulphureted hydrogen . Heat aids and facilitates the decomposition of the acid
and ...
With regard to this operation , it must be borne in mind that arsenic acid , and in
this state the arsenic is contained in the liquid , is but slowly decomposed by
sulphureted hydrogen . Heat aids and facilitates the decomposition of the acid
and ...
Page 23
... then continued until the odor has entirely disappeared . Woehler himself , with
whom the proposition originated , afterwards abandoned the use of sulphurous
acid . $ 11 . The next operation consists in collecting and purifying the precipitate
.
... then continued until the odor has entirely disappeared . Woehler himself , with
whom the proposition originated , afterwards abandoned the use of sulphurous
acid . $ 11 . The next operation consists in collecting and purifying the precipitate
.
Page 26
... acidulated with dilute sulphuric acid , precaution being taken that no loss is
incurred by spirting , and evaporated in a porcelain capsule . Towards the end of
the operation some more sulphuric acid is added , to make sure of its being
present ...
... acidulated with dilute sulphuric acid , precaution being taken that no loss is
incurred by spirting , and evaporated in a porcelain capsule . Towards the end of
the operation some more sulphuric acid is added , to make sure of its being
present ...
Page 30
The different kinds of apparatus which have been proposed for the execution of
the operation may all be replaced by the simple arrangement represented in Fig .
4 . RULUBIANABONOJ Fig . 4 . It consists of a gas - bottle ( a ) , which may be ...
The different kinds of apparatus which have been proposed for the execution of
the operation may all be replaced by the simple arrangement represented in Fig .
4 . RULUBIANABONOJ Fig . 4 . It consists of a gas - bottle ( a ) , which may be ...
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Common terms and phrases
added addition alcohol alkaloid ammonia analyst antimony appear applied arsenic assumes becomes blue boiling carbonate of soda causes caustic characteristic Chemical Chemistry Chimie chloride cloth collected color completely concentrated consists containing contents copper crystals cyanide deposited described detection dilute dish dissolved distillate drops easily edition effect ether evaporation examination excess experiments filter filtrate formed gives glass heated hydrochloric acid hydrocyanic acid iron lead liquid London manner mass matter means metallic method mirror mixed mixture morphine nature necessary nicotine nitric acid observed obtained odor operation organic oxalic acid oxide Paris particles passed phosphorus piece placed poison porcelain portion potassa potassium poured precipitate presence produced pure quantity reaction reagents reduction remains removed residue resulting retort salts separated soluble solution strychnine substances sufficient sulphide of arsenic sulphureted hydrogen sulphuric acid takes tested tion treated treatment tube vols washed weight whole yellow
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Bibliographic information
| Title | A Manual of the detection of poisons by medico-chemical analysis |
| Author | Friedrich Julius Otto |
| Publisher | H. Baillière, 1857 |
| Length | 170 pages |
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