Chemical News and Journal of Industrial Science, Tomy 129-130Chemical news office., 1924 |
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Strona 19
... tion product is given by the glutaric ester itself , and it therefore follows that in the oxalyl derivative ( 1 ) the carbon atoms which are to join to form the five - membered ring are nearer together than in any other member of the ...
... tion product is given by the glutaric ester itself , and it therefore follows that in the oxalyl derivative ( 1 ) the carbon atoms which are to join to form the five - membered ring are nearer together than in any other member of the ...
Strona 25
... tion of an unstable ẞ dihydrate to the stable a or monoclinic form . The completely anhydrous salt is found a sthe mineral anhydrite . On mixing with water this hydrates very slowly , and the di- hydrate formed is not adherent ...
... tion of an unstable ẞ dihydrate to the stable a or monoclinic form . The completely anhydrous salt is found a sthe mineral anhydrite . On mixing with water this hydrates very slowly , and the di- hydrate formed is not adherent ...
Strona 27
... tion under the given conditions , although the latter would appear to be favourable for the persistence of racemic compounds derived from sodium . The Catalytic Decomposition of Hydro- gen Peroxide Solution by Animal Charcoal : The ...
... tion under the given conditions , although the latter would appear to be favourable for the persistence of racemic compounds derived from sodium . The Catalytic Decomposition of Hydro- gen Peroxide Solution by Animal Charcoal : The ...
Strona 35
... tion of coloured metallic salts . With borax beads , formed . metaborates are With sodium metaphosphate beads , no orthophosphates are produced , as is gener- ally stated , the coloured salts being metal- lic pyrophosphates . SUMMARY ...
... tion of coloured metallic salts . With borax beads , formed . metaborates are With sodium metaphosphate beads , no orthophosphates are produced , as is gener- ally stated , the coloured salts being metal- lic pyrophosphates . SUMMARY ...
Strona 39
... tion of the addition , and then allowed to stand for half an hour . Salt was then added , and the mixture allowed to stand while the azo compound separated out . The precipitated azo compound was filtered , washed with water , a little ...
... tion of the addition , and then allowed to stand for half an hour . Salt was then added , and the mixture allowed to stand while the azo compound separated out . The precipitated azo compound was filtered , washed with water , a little ...
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