A Manual of the Detection of Poisons by Medico-chemical Analysis |
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Page 27
The mass obtained by evaporation , usually a colorless and very acid liquid , is
very well adapted for the preparation of metallic arsenic by the process of Marsh (
see below ) . If the preparation of sulphide of arsenic is intended , for the purpose
...
The mass obtained by evaporation , usually a colorless and very acid liquid , is
very well adapted for the preparation of metallic arsenic by the process of Marsh (
see below ) . If the preparation of sulphide of arsenic is intended , for the purpose
...
Page 28
We will now take into consideration the re - • duction of the arsenic , which , as
above ( S 12 ) stated , is the only conclusive proof for the presence of the poison ,
partly because the arsenic , in its metallic state , is easily recognized as such ,
and ...
We will now take into consideration the re - • duction of the arsenic , which , as
above ( S 12 ) stated , is the only conclusive proof for the presence of the poison ,
partly because the arsenic , in its metallic state , is easily recognized as such ,
and ...
Page 29
... an easy application of the various reagents for examining the nature of the
metallic mirrors . But the process of Fresenius and Babo surpasses that of Marsh
in this respect , that it excludes the possibility of confounding arsenic with
antimony .
... an easy application of the various reagents for examining the nature of the
metallic mirrors . But the process of Fresenius and Babo surpasses that of Marsh
in this respect , that it excludes the possibility of confounding arsenic with
antimony .
Page 33
... spirit - lamp with Argand ' s burner , and allowing the gas to pass through for at
least half an hour , an equal evolution of hydrogen · being sustained by
occasional additions of acid . If after this time not the slightest trace of a metallic
mirror or ...
... spirit - lamp with Argand ' s burner , and allowing the gas to pass through for at
least half an hour , an equal evolution of hydrogen · being sustained by
occasional additions of acid . If after this time not the slightest trace of a metallic
mirror or ...
Page 35
It is desirable to obtain , at least , a second metallic mirror in the reduction - tube ;
but after that the tube is turned in such a manner that its originally ascending leg
hangs downward ; the flame of the escaping gas being extinguished it is ...
It is desirable to obtain , at least , a second metallic mirror in the reduction - tube ;
but after that the tube is turned in such a manner that its originally ascending leg
hangs downward ; the flame of the escaping gas being extinguished it is ...
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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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