Copper arsenite prepared from waste acid containing arsenic was applied in copper electrolyte purification.
利用含砷废酸制备亚砷酸铜,并将所得亚砷酸铜应用到铜电解液的净化.
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Hydrogen arsenide released unavoidably during electrowinning with copper electrolyte purified conventionally pollutes the environment seriously.
传统的铜电解后液净化方法电积时不可避免地析出砷化氢,严重污染环境.
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