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利用碱性染料-杂多酸离子缔合物的萃取光度法测磷已较为人们所熟悉。近年来,利用水溶性高分子对离子缔合物的分散和稳定作用,于水相中直接测磷的方法也已陆续见诸报导。但迄今,尚未见利用非离子表面活性剂胶束增溶离子对缔合物以测定微量磷的报导,本文对此作了研究,拟定了在非离子表面活性剂存在下光度测磷的具体步骤,并用于钢铁中微量磷的测定。
The use of alkaline dye - heteropoly acid ion association spectrophotometry phosphorus is more familiar with the people. In recent years, the use of water-soluble polymers for ion-association of the dispersion and stability of the direct measurement of phosphorus in the aqueous phase methods have also been reported. However, up to now, there has been no report on the use of nonionic surfactant micelles to solubilize ion-pair complexes for the determination of trace phosphorus. This article has done some research on the specific steps of photometric phosphorus determination in the presence of nonionic surfactants , And for the determination of trace phosphorus in steel.