Chemical News and Journal of Industrial Science, Tom 51Chemical news office., 1885 |
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Strona 9
... distilling in a partial vacuum equal to 23 inches of mercury , thus reducing the boiling point to about 51 ° C. 124 ° F. , and freeing the distillate from dissolved air and other vapours , and from any traces of ethers or liquids of low ...
... distilling in a partial vacuum equal to 23 inches of mercury , thus reducing the boiling point to about 51 ° C. 124 ° F. , and freeing the distillate from dissolved air and other vapours , and from any traces of ethers or liquids of low ...
Strona 10
... distillation , the process being stopped while there is yet 100 c.c , or so in the distilling flask . This residue ... distillation . No lime , nor any other sensible impurity was ever found in any of the distillates , and they all ...
... distillation , the process being stopped while there is yet 100 c.c , or so in the distilling flask . This residue ... distillation . No lime , nor any other sensible impurity was ever found in any of the distillates , and they all ...
Strona 11
... distillation being employed in the place of open air calcination ( as then practised ) most valuable chemical products , including iodine and bromine , could be re- covered . With great energy Mr. Stanford organised large manufacturing ...
... distillation being employed in the place of open air calcination ( as then practised ) most valuable chemical products , including iodine and bromine , could be re- covered . With great energy Mr. Stanford organised large manufacturing ...
Strona 15
... distillate received in hydrochloric acid . The solution was evaporated to dryness , traces of chloride of ammonium were removed , and the solution treated solution was then allowed to repose until next day ; and with a very small ...
... distillate received in hydrochloric acid . The solution was evaporated to dryness , traces of chloride of ammonium were removed , and the solution treated solution was then allowed to repose until next day ; and with a very small ...
Strona 21
... distillate are anhydrous . This peutics , and Collateral Information , " by E. R. Squibb , E. H. Squibb , understand how , in the distillation of alcohol which statement is difficult to comprehend . It is impossible to | CHEMICAL NEWS ...
... distillate are anhydrous . This peutics , and Collateral Information , " by E. R. Squibb , E. H. Squibb , understand how , in the distillation of alcohol which statement is difficult to comprehend . It is impossible to | CHEMICAL NEWS ...
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