Chemical News and Journal of Physical Science, Tom 104Chemical news office., 1911 |
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Strona 2
... acid catalyser would improve the yield , since the reaction involves the forma- tion of two molecules ( amide and water ) from a single molecule ( ammonium acetate ) . This might be expected to counterbalance the slight diminution of ...
... acid catalyser would improve the yield , since the reaction involves the forma- tion of two molecules ( amide and water ) from a single molecule ( ammonium acetate ) . This might be expected to counterbalance the slight diminution of ...
Strona 3
... acids were separated . They were principally ricinolic acid , according to the descriptions in the text - books . Each berry has four small seeds which contain the oil . The total weight of the oil extracted was 18.3138 grms . from the ...
... acids were separated . They were principally ricinolic acid , according to the descriptions in the text - books . Each berry has four small seeds which contain the oil . The total weight of the oil extracted was 18.3138 grms . from the ...
Strona 11
... acid . With bromine it yields a hexabromo derivative , and with boiling nitric acid a tetranitro compound , C20H8 ( NO2 ) 4S , is formed . Researches on Oxy - indazols . - P. Freundler . — At a low temperature the ortho - substituted ...
... acid . With bromine it yields a hexabromo derivative , and with boiling nitric acid a tetranitro compound , C20H8 ( NO2 ) 4S , is formed . Researches on Oxy - indazols . - P. Freundler . — At a low temperature the ortho - substituted ...
Strona 19
Purification and Properties of Acetic Acid . Dr. VELEY remarked that those workers who had been engaged in the purification of even the commonest acids could fully appreciate the difficulties encountered in pre- paring acetic acid free ...
Purification and Properties of Acetic Acid . Dr. VELEY remarked that those workers who had been engaged in the purification of even the commonest acids could fully appreciate the difficulties encountered in pre- paring acetic acid free ...
Strona 20
... acid might be gloxylic acid , which was a common impurity in acetic acid , and which would probably pass over in the earlier fractions on distillation . As glyoxylic acid in small quantities would account for the observations of the ...
... acid might be gloxylic acid , which was a common impurity in acetic acid , and which would probably pass over in the earlier fractions on distillation . As glyoxylic acid in small quantities would account for the observations of the ...
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