Chemical News and Journal of Industrial Science, Tomy 109-110Chemical news office., 1914 |
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Strona 14
... containing this solution was then placed in a water - bath and the temperature of the bath gradually raised , the solu tion being constantly stirred . As soon as a fair amount of precipitate had formed , the liquid was filtered off and ...
... containing this solution was then placed in a water - bath and the temperature of the bath gradually raised , the solu tion being constantly stirred . As soon as a fair amount of precipitate had formed , the liquid was filtered off and ...
Strona 21
... containing sodium cyanamide , although it polymerised much more rapidly than pure cyanamide ( half period at 100 ° , thirty minutes , compared with twelve hours in the latter case ) , yet did not do so more quickly than one con- taining ...
... containing sodium cyanamide , although it polymerised much more rapidly than pure cyanamide ( half period at 100 ° , thirty minutes , compared with twelve hours in the latter case ) , yet did not do so more quickly than one con- taining ...
Strona 22
... containing Centres of Residual Affinity . " ( Pre- liminary Note ) . By ERNEST MAGOWAN HARPER and ALEXANDER KILLEN MACBETH . The work was undertaken to investigate the colours developed on adding tetranitromethane to various substances ...
... containing Centres of Residual Affinity . " ( Pre- liminary Note ) . By ERNEST MAGOWAN HARPER and ALEXANDER KILLEN MACBETH . The work was undertaken to investigate the colours developed on adding tetranitromethane to various substances ...
Strona 23
... containing medium , and of hydrogen ( 70 per cent ) and carbon dioxide from the nitrate - free medium . A medium containing only a very small percentage of nitrate evolved nitrogen and carbon dioxide as long as nitrate and nitrite ...
... containing medium , and of hydrogen ( 70 per cent ) and carbon dioxide from the nitrate - free medium . A medium containing only a very small percentage of nitrate evolved nitrogen and carbon dioxide as long as nitrate and nitrite ...
Strona 36
... containing Copper . - Albert Granger . - Glasses are coloured blue by copper when only a very small amount is present . With o'05 CuO for a molecule of base a very satisfactory blue coloration is obtained . On increasing the amount of ...
... containing Copper . - Albert Granger . - Glasses are coloured blue by copper when only a very small amount is present . With o'05 CuO for a molecule of base a very satisfactory blue coloration is obtained . On increasing the amount of ...
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