The complexation properties of them with alkali and alkaline earth metal ions have been investigated by means of visible spectra in solutions.

借助于可见光谱的测定，考查了它们在溶液中与碱金属和碱土金属盐等的配位性能。

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Orthophosphite ions produced by oxidation of hypophosphite in an electroless nickel plating bath can be removed by precipitation with an alkali metal or alkaline earth metal cation such as calcium.

在无电镀镍浴中因次磷酸根氧化而产生的亚磷酸根离子，可以通过碱金属或碱土金属阳离子如钙的沉淀作用而去除。

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Orthophosphite ions produced by oxidation of hypophosphite in an electroless nickel plating bath can be removed by precipitation with an alkali metal or alkaline earth metal cation such as calcium.

在无电镀镍浴中因次磷酸根氧化而产生的亚磷酸根离子，可以通过碱金属或碱土金属阳离子如钙的沉淀作用而去除。

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