In this paper, quick determination of the content of the effective phosphorus in the new calcium superphosphate by means of potentiometric titration has been researched.

研究了用电位滴定法快速测定新鲜过磷酸钙磷肥中有效磷含量的方法。

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Using water treatment agents containing low content phosphorus to reduce phosphorus discharge is an effective way for preventing phosphorus pollution.

采用低磷循环冷却水处理剂，减少磷排放，是防止工业磷污染的有效方法。

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