A Manual of the Detection of Poisons by Medico-chemical Analysis |
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Page 3
Reduction to Metallic Arsenic — $ 16 . Comparative value of the Processes of
Marsh , and of Fresenius and Babo - $ 17 - 19 . The Process of Marsh - $ 20 .
Precautions to be observed - 8 23 – 24 . Other modes of preparing the Test -
liquid ...
Reduction to Metallic Arsenic — $ 16 . Comparative value of the Processes of
Marsh , and of Fresenius and Babo - $ 17 - 19 . The Process of Marsh - $ 20 .
Precautions to be observed - 8 23 – 24 . Other modes of preparing the Test -
liquid ...
Page 15
If the particle was arsenious acid , it vaporizes ; the vapor on its passage over the
red hot charcoal is decomposed , and metallic arsenic is deposited beyond the
charcoal , in the form of a black , or brownish - black , lustrous ring ( arsenic ...
If the particle was arsenious acid , it vaporizes ; the vapor on its passage over the
red hot charcoal is decomposed , and metallic arsenic is deposited beyond the
charcoal , in the form of a black , or brownish - black , lustrous ring ( arsenic ...
Page 17
In examining the matter under examination for the presence of solid arsenious
acid , proper regard should at the same time be paid to the presence of metallic
arsenic , since the latter , known also under the name of “ fly powder , ” is as
easily ...
In examining the matter under examination for the presence of solid arsenious
acid , proper regard should at the same time be paid to the presence of metallic
arsenic , since the latter , known also under the name of “ fly powder , ” is as
easily ...
Page 24
Sulphide of arsenic and the organic substances dissolve in dilute ammonia , and
the other metallic sulphides , which might have been precipitated by the
sulphureted hydrogen , remain undissolved ; only a small quantity of sulphide of
...
Sulphide of arsenic and the organic substances dissolve in dilute ammonia , and
the other metallic sulphides , which might have been precipitated by the
sulphureted hydrogen , remain undissolved ; only a small quantity of sulphide of
...
Page 25
The only conclusive proof of the presence of arsenic in this residue , and ,
consequently , in the substances under examination , is its separation in the
metallic state , its reduction to metallic arsenic . To effect this reduction , the
sulphide or the ...
The only conclusive proof of the presence of arsenic in this residue , and ,
consequently , in the substances under examination , is its separation in the
metallic state , its reduction to metallic arsenic . To effect this reduction , the
sulphide or the ...
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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 |
| Export Citation | BiBTeX EndNote RefMan |