Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 17
... light , as the potassium nitrate seems to exert a preservative effect . If , however , they are heated or exposed to direct sunlight , the colour changes and the sensitiveness decreases . After one hour's exposure to bright sunlight the ...
... light , as the potassium nitrate seems to exert a preservative effect . If , however , they are heated or exposed to direct sunlight , the colour changes and the sensitiveness decreases . After one hour's exposure to bright sunlight the ...
Strona 23
... Light upon Silver Sulphite and its Double Alkaline Sulphites . H. Baubigny . - When silver sulphite is decomposed by the action of heat 89.84 per cent of the decomposed substance yields dithionate and 10.16 per cent sulphate . In a ...
... Light upon Silver Sulphite and its Double Alkaline Sulphites . H. Baubigny . - When silver sulphite is decomposed by the action of heat 89.84 per cent of the decomposed substance yields dithionate and 10.16 per cent sulphate . In a ...
Strona 31
... light on the paper . The following work on this subject was carried out by the author while in charge of the chemical laboratory of the Navy Smokeless Powder Works at Indian Head , Md . Heat test paper prepared in this laboratory with ...
... light on the paper . The following work on this subject was carried out by the author while in charge of the chemical laboratory of the Navy Smokeless Powder Works at Indian Head , Md . Heat test paper prepared in this laboratory with ...
Strona 32
... light for two months , a large portion of the time to direct sunlight , the blue and brown bottles were broken . Tests of the other samples were as follows : - Heat Test at 65.5 ° C. Paper . Regular stock Colourless bottle Black bottle ...
... light for two months , a large portion of the time to direct sunlight , the blue and brown bottles were broken . Tests of the other samples were as follows : - Heat Test at 65.5 ° C. Paper . Regular stock Colourless bottle Black bottle ...
Strona 35
... Light rain is , as a rule , more highly charged than heavy rain , irrespective of whether the charge is positive or negative . With regard to the electrification of snow the measure- ments indicate that in Simla- ( d ) The positive ...
... Light rain is , as a rule , more highly charged than heavy rain , irrespective of whether the charge is positive or negative . With regard to the electrification of snow the measure- ments indicate that in Simla- ( d ) The positive ...
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