Chemical News and Journal of Physical Science, Tom 83Chemical news office., 1901 |
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Strona 49
... ZINC . * * The total time required is one and one -. CHEMICAL NEWS , Feb. 1 , 1901 . THE CHEMICAL NEWS . VOL . LXXXIII . , No. 2149 . TOTAL ECLIPSE OF THE SUN , JANUARY 22ND , 1898 . 49 Two series of experiments made on twenty - one ...
... ZINC . * * The total time required is one and one -. CHEMICAL NEWS , Feb. 1 , 1901 . THE CHEMICAL NEWS . VOL . LXXXIII . , No. 2149 . TOTAL ECLIPSE OF THE SUN , JANUARY 22ND , 1898 . 49 Two series of experiments made on twenty - one ...
Strona 50
... Zinc Ethyl . The following tables will give. 100 parts zinc dust and 12 parts copper oxide ( in the finest possible powder " ) are thoroughly mixed and placed in a long glass tube . This tube , which may be of soft glass , should be as ...
... Zinc Ethyl . The following tables will give. 100 parts zinc dust and 12 parts copper oxide ( in the finest possible powder " ) are thoroughly mixed and placed in a long glass tube . This tube , which may be of soft glass , should be as ...
Strona 100
... zinc reduced at the same time as the lead is carried by its volatility to the mouth of the furnace , where it ... zinc it becomes necessary to subject it to a preliminary roasting , or to add to it oxidised minerals , and even in this ...
... zinc reduced at the same time as the lead is carried by its volatility to the mouth of the furnace , where it ... zinc it becomes necessary to subject it to a preliminary roasting , or to add to it oxidised minerals , and even in this ...
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