A Manual of the Detection of Poisons by Medico-chemical Analysis |
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Page 16
... 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
acid , and some freshly prepared and strong sulphureted hydrogen water added
...
... 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
acid , and some freshly prepared and strong sulphureted hydrogen water added
...
Page 17
added , when a yellow precipitate of sulphuret of arsenic should be produced . A
fragment is heated in a test - tube with some nitric acid , to form arsenic acid ; a
few drops of nitrate of silver , and , afterwards , dilute ammonia , drop by drop ,
are ...
added , when a yellow precipitate of sulphuret of arsenic should be produced . A
fragment is heated in a test - tube with some nitric acid , to form arsenic acid ; a
few drops of nitrate of silver , and , afterwards , dilute ammonia , drop by drop ,
are ...
Page 18
The bisulphide of arsenic , or realgar , is of a bright red , or orange yellow color ,
resinous lustre , and very brittle . The tersulphide , or orpiment , is a golden
yellow crystalline substance . Both are volatile ; heated in a glass tube closed at
one ...
The bisulphide of arsenic , or realgar , is of a bright red , or orange yellow color ,
resinous lustre , and very brittle . The tersulphide , or orpiment , is a golden
yellow crystalline substance . Both are volatile ; heated in a glass tube closed at
one ...
Page 20
... a perfectly homogeneous , light yellow , liquid mass . When this point is
reached , another addition of about 2 drachms ( 8 grammes ) of chlorate of
potassa is made , and the heat continued until the smell of chlorine has entirely
disappeared .
... a perfectly homogeneous , light yellow , liquid mass . When this point is
reached , another addition of about 2 drachms ( 8 grammes ) of chlorate of
potassa is made , and the heat continued until the smell of chlorine has entirely
disappeared .
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 ...
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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 |