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Hydrometallurgy of oxidized zinc ores

โœ Scribed by C.G. Maier; G.L. Oldright; G.W. Kuener

Publisher
Elsevier Science
Year
1924
Tongue
English
Weight
115 KB
Volume
197
Category
Article
ISSN
0016-0032

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โœฆ Synopsis

May, 1924. ]

U.S. BUREAU OF MINVCS NOTES. 7O3

color of zinc oxide from white to yellow, when, heated, is not due, as some have believed, to the formation of zinc peroxide, and the peroxide cannot be made by heating zinc oxide in oxygen up' to 48o ยฐ, the upper limit of the tests. The color change begins at about 413 ยฐ C. and the oxide gradually reaches a bright yellow at about 476 ยฐ . Pumping out the air to I mm. pressm;e has no apparent effect on the color change.

HYDROMETALLURGY OF OXIDIZED ZINC ORES.

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The determination of oxidized zinc in or
The determination of oxidized zinc in ores and concentrator products
โœ Barker, C. W. ;Young, R. S. ๐Ÿ“‚ Article ๐Ÿ“… 1948 ๐Ÿ› Wiley (John Wiley & Sons) โš– 130 KB

BARKER AND YOUNG-OXIDIZED ZINC IN ORES ## 61 pore size. It was also noted that a white corrosion product tended to remain on the edge of the sintered specimens even after the cleaning operation. This was generally concentrated on the top half of the specimen, as it hung in the solution, and was p