A Manual of the Detection of Poisons by Medico-chemical Analysis |
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Page 14
The presence of organic principles appears to impair its solubility Christison
found that a cup of tea , left beside the fire at a temperature of 2000 F . for half an
hour upon 2 grains of the acid , does not entirely take up even that small quantity
.
The presence of organic principles appears to impair its solubility Christison
found that a cup of tea , left beside the fire at a temperature of 2000 F . for half an
hour upon 2 grains of the acid , does not entirely take up even that small quantity
.
Page 15
... arsenic vaporizes , becomes oxidized , and condenses in the wider part of the
tube to a sublimate of arsenious acid , consisting of minute , lustrous crystals
which , when seen with a lens or a microscope , appear as distinct octahedrons .
... arsenic vaporizes , becomes oxidized , and condenses in the wider part of the
tube to a sublimate of arsenious acid , consisting of minute , lustrous crystals
which , when seen with a lens or a microscope , appear as distinct octahedrons .
Page 26
If the residue which is now left is still of a dark color , this treatment with nitric acid
has to be repeated , until the residue , while moist , appears of a yellow color . To
the residue some caustic soda is now added , which serves to neutralize the ...
If the residue which is now left is still of a dark color , this treatment with nitric acid
has to be repeated , until the residue , while moist , appears of a yellow color . To
the residue some caustic soda is now added , which serves to neutralize the ...
Page 38
If these not merely appear as transparent coatings , but as real metallic mirrors ,
then there is sufficient arseneted hydrogen mixed with the escaping gas to
produce spots on porcelain , which , in this case , should be collected at the same
time .
If these not merely appear as transparent coatings , but as real metallic mirrors ,
then there is sufficient arseneted hydrogen mixed with the escaping gas to
produce spots on porcelain , which , in this case , should be collected at the same
time .
Page 40
... or chloride of antimony , or tartar emetic , the escaping hydrogen becomes
mixed with antimoneted hydrogen ; the flame of tho burning gas appears white ,
spots of metallic antimony are deposited on porcelain which is held into the flame
, a ...
... or chloride of antimony , or tartar emetic , the escaping hydrogen becomes
mixed with antimoneted hydrogen ; the flame of tho burning gas appears white ,
spots of metallic antimony are deposited on porcelain which is held into the flame
, a ...
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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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