Chemical News and Journal of Physical Science, Tom 83Chemical news office., 1901 |
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Strona 221
... treated with K.FeC.Ng. Abundant precipitate . Evident precipitate . Trace of precipitate . Abundant precipitate ... treated with NH OH . A. Blue colour . Blue colour . B. Faint blue . " 9 " 1 Trace of blue colour . Slight trace of blue ...
... treated with K.FeC.Ng. Abundant precipitate . Evident precipitate . Trace of precipitate . Abundant precipitate ... treated with NH OH . A. Blue colour . Blue colour . B. Faint blue . " 9 " 1 Trace of blue colour . Slight trace of blue ...
Strona 282
... treated directly with 100 c.c. of sulphuric acid of go per cent H2SO4 , and the mixture was left to stand during twenty - four hours , with occasional stirring . It was then poured into enough boiling water to reduce the acid to the ...
... treated directly with 100 c.c. of sulphuric acid of go per cent H2SO4 , and the mixture was left to stand during twenty - four hours , with occasional stirring . It was then poured into enough boiling water to reduce the acid to the ...
Strona 292
... treated with strong alcohol , in which much of it dissolved , left an insoluble residue which gave quasi- [ a ] = 88 ° . Having in view the well - known difficult solubility of anhydrous dextrose in strong alcohol , one or two experi ...
... treated with strong alcohol , in which much of it dissolved , left an insoluble residue which gave quasi- [ a ] = 88 ° . Having in view the well - known difficult solubility of anhydrous dextrose in strong alcohol , one or two experi ...
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