The Chemical News and Journal of Physical Science, Volumes 37-38Griffin, Bohn and Company, 1878 |
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Page 125
... acid could not be effected in most instances by means of an oxidising agent ... arsenic and arsenious compounds , organic matter , ferrous sulphate , & c ... acid the whole of the arsenic was present as arsenic acid , and the following ...
... acid could not be effected in most instances by means of an oxidising agent ... arsenic and arsenious compounds , organic matter , ferrous sulphate , & c ... acid the whole of the arsenic was present as arsenic acid , and the following ...
Page 21
... acid produces a slight yellow turbidity of arsenic sulphide . Further , the precipitate cannot be ignited , but must be weighed with its filter . They propose as a substitute the volu- metric process already in use for phosphoric acid ...
... acid produces a slight yellow turbidity of arsenic sulphide . Further , the precipitate cannot be ignited , but must be weighed with its filter . They propose as a substitute the volu- metric process already in use for phosphoric acid ...
Page 165
... acid is produced a yellow precipitate falis , but if arsenic acid the precipitate is a brick red . In practice , and especially when the quantity of arsenicus acid is small , the complete oxidation of the arsenic is difficult , the ...
... acid is produced a yellow precipitate falis , but if arsenic acid the precipitate is a brick red . In practice , and especially when the quantity of arsenicus acid is small , the complete oxidation of the arsenic is difficult , the ...
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acetic acid action alcohol alkaline ammonia ammonium analysis aniline apparatus areometer arsenic arsenic acid atomic weight benzol boiling calcium carbonic acid cent chambers Chemical Chemistry chemists chloric acid chloride colour compounds containing copper crystallised crystals decomposed decomposition determined dilute dissolved distilled elements ether evaporation examination experiments filter filtrate flask formed gases gives glass heat hydrate hydrochloric acid hydrogen insoluble Institute iron lime liquid London manganese manufacture matter metal method mineral mixed mixture naphthalin nitrate nitric acid nitrogen nitrous obtained ordinary oxalic oxalic acid oxide oxidised oxygen paper permanganate phosphate phosphoric acid phosphorus plate platinum potash potassium precipitate prepared present produced Prof pure quantity reaction researches Royal salt silica silver Society soda sodium soluble solution specific gravity substance sugar sulphate sulphide sulphuric acid temperature terpenes thallium tion tube vapour washed whilst yellow yielded zinc