Chemical News and Journal of Industrial Science, Tomy 103-104Chemical news office., 1911 |
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Strona 18
... crystals of what had all the appearance of being thiocarbamide show an eutectic - point at 36.8 ° , only 3.74 ° below the melting- point of the pure phenol used . The thiocarbamide present at the eutectic - point amounted to only 4.2 ...
... crystals of what had all the appearance of being thiocarbamide show an eutectic - point at 36.8 ° , only 3.74 ° below the melting- point of the pure phenol used . The thiocarbamide present at the eutectic - point amounted to only 4.2 ...
Strona 43
... crystals . These bottles cleared in a comparatively short time , so that the supernatant liquid could be readily drawn off . In the bottles where the concentrations were not so great the solid phases settled with difficulty , and had ...
... crystals . These bottles cleared in a comparatively short time , so that the supernatant liquid could be readily drawn off . In the bottles where the concentrations were not so great the solid phases settled with difficulty , and had ...
Strona 44
... crystals , which were rapidly decomposed by water . The compound , however , was not affected by continued washing with absolute alcohol , and , since the normal nitrate is very soluble in this liquid , it could be entirely separated ...
... crystals , which were rapidly decomposed by water . The compound , however , was not affected by continued washing with absolute alcohol , and , since the normal nitrate is very soluble in this liquid , it could be entirely separated ...
Strona 48
... Crystals . " The presence of the extra half molecule of CO2 is difficult to explain , as in fifty years ' experience I have never found " soda crystals take up CO2 from the air . I would venture to suggest a possible origin for the crystals ...
... Crystals . " The presence of the extra half molecule of CO2 is difficult to explain , as in fifty years ' experience I have never found " soda crystals take up CO2 from the air . I would venture to suggest a possible origin for the crystals ...
Strona 52
... crystal- lisation the difficultly soluble potassium - tantalum fluoride from the more soluble columbium salt . This ... crystals constitute a well defined double salt of zinc and aniline chloride . This salt slowly dissolves in cold ...
... crystal- lisation the difficultly soluble potassium - tantalum fluoride from the more soluble columbium salt . This ... crystals constitute a well defined double salt of zinc and aniline chloride . This salt slowly dissolves in cold ...
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