Chemical News and Journal of Industrial Science, Tomy 105-106Chemical news office., 1912 |
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Strona 34
... sulphuric acid the fatty acids were set free and extracted by shaking with ether . The mixture of fatty acids obtained on evaporating the ether was a fatty semisolid mass from which crystal line leaflets separated on standing . This ...
... sulphuric acid the fatty acids were set free and extracted by shaking with ether . The mixture of fatty acids obtained on evaporating the ether was a fatty semisolid mass from which crystal line leaflets separated on standing . This ...
Strona 38
... sulphuric acid , but we cannot offer this explanation any longer , since we now know that sulphuric acid is only a little more than half as strong as hydrochloric . The same beginner quickly learns that when a solution of a chloride is ...
... sulphuric acid , but we cannot offer this explanation any longer , since we now know that sulphuric acid is only a little more than half as strong as hydrochloric . The same beginner quickly learns that when a solution of a chloride is ...
Strona 41
... sulphuric acid , and filtered from the insoluble products formed . The filtrate after cooling was shaken with ether and the ether evaporated . The residue so obtained was in part crystalline , the crystals having the appearance and ...
... sulphuric acid , and filtered from the insoluble products formed . The filtrate after cooling was shaken with ether and the ether evaporated . The residue so obtained was in part crystalline , the crystals having the appearance and ...
Strona 43
... sulphuric acid gave on analysis the following results : - I. 0 222 grm . of the substance gave o · 6238 grm . CO2 and o 102 grm . H2O . II . o 449 grm . of the substance gave o'0239 grm . N. III . o 5034 grm . of the substance gave o ...
... sulphuric acid gave on analysis the following results : - I. 0 222 grm . of the substance gave o · 6238 grm . CO2 and o 102 grm . H2O . II . o 449 grm . of the substance gave o'0239 grm . N. III . o 5034 grm . of the substance gave o ...
Strona 44
... sulphuric acid , a brown coloured substance 753 mm . ) . CHEMICAL NEWS , Jan. 26 , 1912 Effect of Altitude. After Grignard reagent so prepared 10 grms . of s . or a - ortho- tolylphthalimide were added in small portions . twenty hours ...
... sulphuric acid , a brown coloured substance 753 mm . ) . CHEMICAL NEWS , Jan. 26 , 1912 Effect of Altitude. After Grignard reagent so prepared 10 grms . of s . or a - ortho- tolylphthalimide were added in small portions . twenty hours ...
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