A Manual of the Detection of Poisons by Medico-chemical Analysis |
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Page 15
When the charcoal is heated to redness , the open end of the tube is raised
higher and higher , so that the tube becomes more and more inclined , until the
spot where the arsenious acid is placed is also touched by the flame . If the
particle ...
When the charcoal is heated to redness , the open end of the tube is raised
higher and higher , so that the tube becomes more and more inclined , until the
spot where the arsenious acid is placed is also touched by the flame . If the
particle ...
Page 16
16 is situated heated , by holding this end of the tube , slightly inclined upwards ,
into a small alcohol flame , a bluish white coloration of the flame will be observed
where the arsenic vapor enters the flame , and the characteristic alliaceous ...
16 is situated heated , by holding this end of the tube , slightly inclined upwards ,
into a small alcohol flame , a bluish white coloration of the flame will be observed
where the arsenic vapor enters the flame , and the characteristic alliaceous ...
Page 17
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 the reddish brown precipitate of arsenate of silver should be ...
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 the reddish brown precipitate of arsenate of silver should be ...
Page 18
vapor , a solution of arsenic acid ( or of arsenions acid if the heat was not kept up
for a sufficiently long time , or not ... Both are volatile ; heated in a glass tube
closed at one end , they afford sublimates of different color ; sometimes three ...
vapor , a solution of arsenic acid ( or of arsenions acid if the heat was not kept up
for a sufficiently long time , or not ... Both are volatile ; heated in a glass tube
closed at one end , they afford sublimates of different color ; sometimes three ...
Page 20
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 . If the liquid should become too concentrated by ...
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 . If the liquid should become too concentrated by ...
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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 |