tribasic

The recovery processes of waste residue of tribasic lead sulfate were introduced.

介绍了三盐基硫酸铅废渣回收生产工艺.

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This paper introduced phosphoric acid remove mix method and produce of ammonium phosphate tribasic method.

介绍了磷酸除杂质方法及生产磷酸三铵方法.

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