3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.
在洗衣粉中掺入螯合剂,例如次氮基三乙酸(NTA)或者是乙二胺四乙酸(EDTA),这些螯合剂于形成水溶性的金属螯合物。