Chemical News and Journal of Industrial Science, Tomy 99-100Chemical news office., 1909 |
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Strona 5
... copper oxide . If one inspects a tube in which a copper oxide com bustion is being conducted , it is found that the oxide actually reduced to metallic copper after the combustion of the volatile matter is completed , rarely extends for ...
... copper oxide . If one inspects a tube in which a copper oxide com bustion is being conducted , it is found that the oxide actually reduced to metallic copper after the combustion of the volatile matter is completed , rarely extends for ...
Strona 6
... copper spiral 7 cm . long is , as usual , placed at the front of the tube , and the current of oxygen is passed at a slower rate at the beginning of the combustion . For acetanilide the following percentages were obtained : - Carbon ...
... copper spiral 7 cm . long is , as usual , placed at the front of the tube , and the current of oxygen is passed at a slower rate at the beginning of the combustion . For acetanilide the following percentages were obtained : - Carbon ...
Strona 13
... copper and zinc spectra were produced by means of copper or brass elec- trodes rotating in opposite directions , as recommended by Baly in the case of the iron arc ; the cadmium spectrum was obtained by means of rotating copper or ...
... copper and zinc spectra were produced by means of copper or brass elec- trodes rotating in opposite directions , as recommended by Baly in the case of the iron arc ; the cadmium spectrum was obtained by means of rotating copper or ...
Strona 14
... copper sulphate , iron passes into solution and copper is deposited , this change being of course accom- panied by a transfer of electrical charge from the ions of copper to those of iron . Hydrogen acts as a metal , and is ...
... copper sulphate , iron passes into solution and copper is deposited , this change being of course accom- panied by a transfer of electrical charge from the ions of copper to those of iron . Hydrogen acts as a metal , and is ...
Strona 17
... copper sulphate before a permanent coating of copper is deposited . Even a momentary plunging of the metal into the bichromate will induce a certain passivity , but the maximum effect appears to require a more prolonged contact with the ...
... copper sulphate before a permanent coating of copper is deposited . Even a momentary plunging of the metal into the bichromate will induce a certain passivity , but the maximum effect appears to require a more prolonged contact with the ...
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