A Manual of the Detection of Poisons by Medico-chemical Analysis |
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Page 15
... deposited beyond the char- coal , in the form of a black , or brownish - black , lus- trous ring ( arsenic mirror ) , as is illustrated by Fig . 2 . Fig . 2 . By applying heat , this incrustation of metallic arsenic vaporizes , becomes ...
... deposited beyond the char- coal , in the form of a black , or brownish - black , lus- trous ring ( arsenic mirror ) , as is illustrated by Fig . 2 . Fig . 2 . By applying heat , this incrustation of metallic arsenic vaporizes , becomes ...
Page 33
... deposited on the porcelain , the materials , the zinc or the sulphuric acid , are not free from arsenic , and are not fit to be used ; even the apparatus has become useless , or , at least , requires to be very carefully cleaned . The ...
... deposited on the porcelain , the materials , the zinc or the sulphuric acid , are not free from arsenic , and are not fit to be used ; even the apparatus has become useless , or , at least , requires to be very carefully cleaned . The ...
Page 36
... the reduction - tube is sufficiently heated , if the evolution of gas is not too rapid , and if the escaping gas does not contain a large amount of arseneted hydrogen , the whole of the arsenic is deposited , 36 THE DETECTION OF POISONS .
... the reduction - tube is sufficiently heated , if the evolution of gas is not too rapid , and if the escaping gas does not contain a large amount of arseneted hydrogen , the whole of the arsenic is deposited , 36 THE DETECTION OF POISONS .
Page 37
... deposited on the inner surface of small porcelain dishes , which must be new , or at least very white and clean ; it is convenient to collect the spots on different dishes , so as not to be obliged to make the tests of the subsequent ...
... deposited on the inner surface of small porcelain dishes , which must be new , or at least very white and clean ; it is convenient to collect the spots on different dishes , so as not to be obliged to make the tests of the subsequent ...
Page 42
... deposited in the re- duction - tube , is highly lustrous , of blackish - brown or brownish - black color , and , when seen against a sheet of white paper , perfectly transparent brown in places where the deposit is not too thick . The ...
... deposited in the re- duction - tube , is highly lustrous , of blackish - brown or brownish - black color , and , when seen against a sheet of white paper , perfectly transparent brown in places where the deposit is not too thick . The ...
Other editions - View all
A Manual of the Detection of Poisons by Medico-Chemical Analysis (Classic ... Friedrich Julius Otto No preview available - 2015 |
MANUAL OF THE DETECTION OF POI Friedrich Julius 1809-1870 Otto,William 1828-1861 Elderhorst No preview available - 2016 |
Common terms and phrases
acidulated added alcohol alkaline alkaloid ammonia antimony apparatus arse arseneted hydrogen arsenic-spots arsenious acid becomes boiling carbonate of soda carbonic acid caustic potassa caustic soda Chemical Chemistry Chimie chlorate of potassa chloric acid chloride cipitate color concentrated conicine copper cyanide cyanide of potassium deposited detection of arsenic dissolved distillate drop edition excess filter filtrate flame formed Fresenius and Babo gentle heat glass hydro hydrochloric acid hydrocyanic acid hydrogen gas London mass mercury metallic arsenic method mixed mixture moistened morphine nicotine nitrate of silver nitric acid obtained odor organic matter oxalic acid oxide Paris placed poison porcelain porcelain dish portion potassium poured precipitate presence process of Marsh produced pure reaction reagents reduction reduction-tube residue retort salts soluble solution of nitrate stomach strychnine sufficient sulphate sulphide of antimony sulphide of arsenic sulphocyanide sulphureted hydrogen sulphuric acid terchloride tion Traite treated tube volatile vols washed whole yellow precipitate zinc
Popular passages
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