A Manual of the detection of poisons by medico-chemical analysis |
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Page 53
If the experiments are strictly executed after the manner described , there can no
longer remain any doubt as to whether the reactions obtained by the process of
Marsh were produced by arsenic , or antimony , or by a mixture of both metals .
If the experiments are strictly executed after the manner described , there can no
longer remain any doubt as to whether the reactions obtained by the process of
Marsh were produced by arsenic , or antimony , or by a mixture of both metals .
Page 54
It is based on the observation , that the sulphides of arsenic , the arsenites and
arsenates , when fused with a mixture of cyanide of potassium and carbonate of
soda , yield metallic arsenic ; and that this metal is obtained in the shape of a ...
It is based on the observation , that the sulphides of arsenic , the arsenites and
arsenates , when fused with a mixture of cyanide of potassium and carbonate of
soda , yield metallic arsenic ; and that this metal is obtained in the shape of a ...
Page 57
By turning the tube , the mixture is placed at ( d e ) , without soiling any other
portion of the tube . The pasteboard is then carefully removed . The tube , when
filled in this manner , is fitted over the cork of the tube ( c ) of the apparatus .
By turning the tube , the mixture is placed at ( d e ) , without soiling any other
portion of the tube . The pasteboard is then carefully removed . The tube , when
filled in this manner , is fitted over the cork of the tube ( c ) of the apparatus .
Page 58
also applied to the mixture , beginning at ( d ) , and slowly progressing towards (
e ) until the whole of the arsenic is driven off . The reduced arsenic is deposited at
( h ) , while a very small portion makes its escape at ( i ) , and imparts to the air ...
also applied to the mixture , beginning at ( d ) , and slowly progressing towards (
e ) until the whole of the arsenic is driven off . The reduced arsenic is deposited at
( h ) , while a very small portion makes its escape at ( i ) , and imparts to the air ...
Page 59
The arsenical mass , after having been perfectiy dried , is placed in the bulb , and
the pulverized and dessicated mixture of cyanide of potassium and carbonate . of
soda added . The bulb must not be more than about half full . The narrow part ...
The arsenical mass , after having been perfectiy dried , is placed in the bulb , and
the pulverized and dessicated mixture of cyanide of potassium and carbonate . of
soda added . The bulb must not be more than about half full . The narrow part ...
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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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