Chemical News and Journal of Industrial Science, Tom 39Chemical news office., 1879 |
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Strona 25
... crystals lose at once their steel - blue lustre and assume a pale red colour . To obtain the compound thus formed in a pure state , acetyl chloride was added to a saturated solution of aurin in acetic acid . The liquid assumed at once a ...
... crystals lose at once their steel - blue lustre and assume a pale red colour . To obtain the compound thus formed in a pure state , acetyl chloride was added to a saturated solution of aurin in acetic acid . The liquid assumed at once a ...
Strona 26
... crystals with water they become dull and brownish red , the solution containing acetic and hydrochloric acids . It therefore seemed not improbable that an additive product of aurin and acetyl chloride had been formed , containing ...
... crystals with water they become dull and brownish red , the solution containing acetic and hydrochloric acids . It therefore seemed not improbable that an additive product of aurin and acetyl chloride had been formed , containing ...
Strona 30
... crystals contain less silver than the portion remaining liquid , and that in the usual way of working by thirds this exists to the extent that when two - thirds of a given quantity is in crystals and one - third liquid , the two ...
... crystals contain less silver than the portion remaining liquid , and that in the usual way of working by thirds this exists to the extent that when two - thirds of a given quantity is in crystals and one - third liquid , the two ...
Strona 31
... crystals when the proper stage is reached . The chemical effect is due to the oxidising action of the steam on the antimony , copper , iron , arsenic , and other neous metals , which , being converted into oxides , are either skimmed ...
... crystals when the proper stage is reached . The chemical effect is due to the oxidising action of the steam on the antimony , copper , iron , arsenic , and other neous metals , which , being converted into oxides , are either skimmed ...
Strona 33
... crystals of a deep amethyst blue . These are washed in alcohol to remove the excess of cyanide of potassium , and are then preserved in alcohol at 95 ° . This salt is un- stable and soon turns red . If dissolved in a little water it ...
... crystals of a deep amethyst blue . These are washed in alcohol to remove the excess of cyanide of potassium , and are then preserved in alcohol at 95 ° . This salt is un- stable and soon turns red . If dissolved in a little water it ...
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