【摘要】 本文对聚磷酸盐对硬水的软化能力和三聚磷酸钠（ＳＴＰＰ）在液体洗涤剂中的作用进行了研究，结果表明，加入适量的ＳＴＰＰ可显著提高液体洗涤剂的性能．更多还原

【Abstract】 The ability of polyphosphate as soft detergent in hard water and the effects of STPPon liquid detergent are studied. The result indicates that the suitable addition amount of STPP can dramatically improve the properties of liquid detergent.更多还原