Chemical News and Journal of Industrial Science, Tomy 141-142Chemical news office., 1930 |
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Strona 19
Experimental . In the purification of crude zinc liquors obtained by acid leaching zinc cinder , or roasted blende , indium , when present , is removed along with cadmium , lead and the other elements replaceable by treatment with ...
Experimental . In the purification of crude zinc liquors obtained by acid leaching zinc cinder , or roasted blende , indium , when present , is removed along with cadmium , lead and the other elements replaceable by treatment with ...
Strona 67
37 On Zinc , Aluminium , and their Alloys . Zinc and zinc base alloys , such as are ex- tensively used for die castings , are so much less noble than nickel , that if attempts are made to plate them from the solutions of the type in ...
37 On Zinc , Aluminium , and their Alloys . Zinc and zinc base alloys , such as are ex- tensively used for die castings , are so much less noble than nickel , that if attempts are made to plate them from the solutions of the type in ...
Strona 124
... zinc ( and lead if any ) could be volatilised and removed as the zinc oxide ( and lead oxide ) . The residues treated came from Amulet ore and leaches and assayed 18.8 per cent . zinc . 2.95 per cent . copper , 0.14 ounce gold , and ...
... zinc ( and lead if any ) could be volatilised and removed as the zinc oxide ( and lead oxide ) . The residues treated came from Amulet ore and leaches and assayed 18.8 per cent . zinc . 2.95 per cent . copper , 0.14 ounce gold , and ...
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Superphosphate industry in Japan 122 | 9 |
Notes on the Casting of Refractories 380 | 13 |
Tubes | 27 |
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