Chemical News and Journal of Industrial Science, Tomy 99-100Chemical news office., 1909 |
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Strona 6
... hydrogen . 40.61 40'44 40.48 40'56 5 ° 28 5'20 5:18 5.20 ( The theoretical percentages for C , H6O , are carbon = 40 · 68 , hydrogen 5'09 ) . If the substance contains nitrogen , a metallic copper spiral 7 cm . long is , as usual ...
... hydrogen . 40.61 40'44 40.48 40'56 5 ° 28 5'20 5:18 5.20 ( The theoretical percentages for C , H6O , are carbon = 40 · 68 , hydrogen 5'09 ) . If the substance contains nitrogen , a metallic copper spiral 7 cm . long is , as usual ...
Strona 10
... hydrogen ions which would be supplied by a minute quantity of carbonic acid are of no more importance than the hydrogen ions supplied by the normal dissociation of pure water , and that the assumption that carbonic acid must be present ...
... hydrogen ions which would be supplied by a minute quantity of carbonic acid are of no more importance than the hydrogen ions supplied by the normal dissociation of pure water , and that the assumption that carbonic acid must be present ...
Strona 11
... hydrogen peroxide is formed as a transition step in the reactions . As hydrogen peroxide is more or less unstable in alkaline solutions it is claimed that fact that the rusting of iron is actually accelerated by solutions of potassium ...
... hydrogen peroxide is formed as a transition step in the reactions . As hydrogen peroxide is more or less unstable in alkaline solutions it is claimed that fact that the rusting of iron is actually accelerated by solutions of potassium ...
Strona 14
... hydrogen , or the spark . ( b ) They occur as relatively strong lines in the Fraunhofer spectrum . ( c ) They are weakened in the sun - spot spectrum . ( d ) They occur as high - level lines in the chromosphere . 3. The remaining lines ...
... hydrogen , or the spark . ( b ) They occur as relatively strong lines in the Fraunhofer spectrum . ( c ) They are weakened in the sun - spot spectrum . ( d ) They occur as high - level lines in the chromosphere . 3. The remaining lines ...
Strona 15
... hydrogen ions to the extent of about I grm . in 10,000,000 litres . If iron dissolves in the purest water it should be by interchange with hydrogen , and as Whitney ( loc . cit . , p . 10 ) has pointed out , pure water is to this extent ...
... hydrogen ions to the extent of about I grm . in 10,000,000 litres . If iron dissolves in the purest water it should be by interchange with hydrogen , and as Whitney ( loc . cit . , p . 10 ) has pointed out , pure water is to this extent ...
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