Chemical News and Journal of Physical Science, Tom 105Chemical news office., 1912 |
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Strona 1
... reaction between boric anhydride and excess of magnesium . The magnesium boride dissociates at a relatively low temperature ( 1200 ° ) , especially in vacuo , and with rapidity at 1500. The fusion is effected between copper electrodes ...
... reaction between boric anhydride and excess of magnesium . The magnesium boride dissociates at a relatively low temperature ( 1200 ° ) , especially in vacuo , and with rapidity at 1500. The fusion is effected between copper electrodes ...
Strona 2
... reaction between boron chloride and hydrogen were found by Dr. Weintraub to be quite pure , analysing from 99.8 to 100.2 per cent . The difference being due to errors of experi- ment , and perhaps to a trace of silica abraded from the ...
... reaction between boron chloride and hydrogen were found by Dr. Weintraub to be quite pure , analysing from 99.8 to 100.2 per cent . The difference being due to errors of experi- ment , and perhaps to a trace of silica abraded from the ...
Strona 8
... reaction yields two condensation products with two and three dimethylaminoanilo - groups respectively : - CPh C : N C6H4 NMez Còn có and : - CPh C : N C6H4 NMе2 || CPh C : N C6H4 NMe2 C : N C6H4 NMe2 C : N C6H4 NMe2 Both compounds on ...
... reaction yields two condensation products with two and three dimethylaminoanilo - groups respectively : - CPh C : N C6H4 NMez Còn có and : - CPh C : N C6H4 NMе2 || CPh C : N C6H4 NMe2 C : N C6H4 NMe2 C : N C6H4 NMe2 Both compounds on ...
Strona 11
... Reaction between Iodic and Sulphurous Acids in various Media . " BY THOMAS STEWART PATTERSON and WILLIAM COLLINS FORSYTH . The influence of methyl alcohol , ethyl alcohol , n - propyl alcohol , and of acetone on the velocity of the reaction ...
... Reaction between Iodic and Sulphurous Acids in various Media . " BY THOMAS STEWART PATTERSON and WILLIAM COLLINS FORSYTH . The influence of methyl alcohol , ethyl alcohol , n - propyl alcohol , and of acetone on the velocity of the reaction ...
Strona 12
... reaction triglycylglycine yields the hexapeptide , penta- glycylglycine . The reaction is general , and can be applied in the synthesis of mixed cycloglycylglycines . Probably a glyceric ether is first formed , and is then destroyed ...
... reaction triglycylglycine yields the hexapeptide , penta- glycylglycine . The reaction is general , and can be applied in the synthesis of mixed cycloglycylglycines . Probably a glyceric ether is first formed , and is then destroyed ...
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