It describes the test and operation of 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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For assured the quality alloy material smelt, this key technical is aluminium alloy solution purification process.

铝合金在熔炼的过程中极易被污染,为保证铝合金材料冶金质量, 铝合金熔体净化是关键性的技术.

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