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
剂，例如次氮基三乙
（NTA）或者是乙二胺四乙（EDTA），
些剂易于
成水溶性的金
物。
