The Chemical News and Journal of Industrial Science, Tom 1221921 |
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Strona 5
... colour is sometimes not developed till later ) . The mixture was then extracted with chloroform , when it was found that the blue colour remained in the aqueous layer . This blue solution , which is obviously the sodium salt of the ...
... colour is sometimes not developed till later ) . The mixture was then extracted with chloroform , when it was found that the blue colour remained in the aqueous layer . This blue solution , which is obviously the sodium salt of the ...
Strona 9
... colour of water , with regard to the theories that its colour under various conditions is due to ab- sorption of light , reflection by suspended particles , influence of dissolved matter , & c . , but he has overlooked the aspect of the ...
... colour of water , with regard to the theories that its colour under various conditions is due to ab- sorption of light , reflection by suspended particles , influence of dissolved matter , & c . , but he has overlooked the aspect of the ...
Strona 22
... Colour of Water ' in- serted in last week's issue : — " It should be remembered that the molecular formula of water , determined from surface tension measurements , was found by Ramsay and Shields ( Zeit . physikal Chem . , 1893 , xii ...
... Colour of Water ' in- serted in last week's issue : — " It should be remembered that the molecular formula of water , determined from surface tension measurements , was found by Ramsay and Shields ( Zeit . physikal Chem . , 1893 , xii ...
Strona 26
... Colours , ” 1772 ) . In addition to the phosphorescence of the alkaline - earth sulphides , by means of which the sun's rays were seemingly absorbed and stored up , other types of phosphorescence began to be dis- covered . Reference has ...
... Colours , ” 1772 ) . In addition to the phosphorescence of the alkaline - earth sulphides , by means of which the sun's rays were seemingly absorbed and stored up , other types of phosphorescence began to be dis- covered . Reference has ...
Strona 27
... Colours , " says : " The hypothesis of the materiality of light is peculiarly agreeable to the phenomena of the Bolognian Stone , which has the remarkable property of imbibing light , of re- taining it for some time , and of emitting it ...
... Colours , " says : " The hypothesis of the materiality of light is peculiarly agreeable to the phenomena of the Bolognian Stone , which has the remarkable property of imbibing light , of re- taining it for some time , and of emitting it ...
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