It describes the test and operation of zinc sulfate solution purification by antimony trioxide instead of arsenate.

介绍硫酸锌溶液由砷盐净化改为锑盐净化的试验及生产实践情况。

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It describes the test and operation of zinc sulfate solution purification by antimony trioxide instead of arsenate.

介绍硫酸锌溶液由砷盐净化改为锑盐净化的试验及生产实践情况。

youdao