A Manual of the Detection of Poisons by Medico-chemical Analysis |
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Page 11
The poison is intimately and invisibly mixed with , or dissolved in , the contents ,
etc . , and can , therefore , no longer be found or separated by mechanical means
, in the solid state . III . The stomach and intestines are empty , or no arsenic can ...
The poison is intimately and invisibly mixed with , or dissolved in , the contents ,
etc . , and can , therefore , no longer be found or separated by mechanical means
, in the solid state . III . The stomach and intestines are empty , or no arsenic can ...
Page 16
... some very dilute caustic ammonia is then added , drop by drop , or by means of
a glass rod , when the characteristic yellow precipitate of arsenite of silver will be
produced . The watery solution is acidulated with a few drops of hydrochloric ...
... some very dilute caustic ammonia is then added , drop by drop , or by means of
a glass rod , when the characteristic yellow precipitate of arsenite of silver will be
produced . The watery solution is acidulated with a few drops of hydrochloric ...
Page 22
By this means , and only by this means , viz . : by a continued and repeated
treatment with sulphureted hydrogen , the whole of the arsenic is removed and
precipitated as sulphide . With regard to this operation , it must be borne in mind
that ...
By this means , and only by this means , viz . : by a continued and repeated
treatment with sulphureted hydrogen , the whole of the arsenic is removed and
precipitated as sulphide . With regard to this operation , it must be borne in mind
that ...
Page 23
... it has been proposed to reduce the arsenic acid , contained in the liquid which
results from the treatment of the original substance with hydrochloric acid and
chlorate of potassa , by means of sulphurous acid to arsenious acid before
passing ...
... it has been proposed to reduce the arsenic acid , contained in the liquid which
results from the treatment of the original substance with hydrochloric acid and
chlorate of potassa , by means of sulphurous acid to arsenious acid before
passing ...
Page 24
For this purpose , the filter containing the moist precipitate is spread out in a
porcelain dish , and a little water •poured on it ; the precipitate is then divided into
a thin , homogeneous paste , by means of a feather , and ammonia added , drop
by ...
For this purpose , the filter containing the moist precipitate is spread out in a
porcelain dish , and a little water •poured on it ; the precipitate is then divided into
a thin , homogeneous paste , by means of a feather , and ammonia added , drop
by ...
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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
Popular passages
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 |
| Export Citation | BiBTeX EndNote RefMan |