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,
如次氮基三乙酸
(NTA)
者是乙二胺四乙酸
(EDTA),
螯
易于形成水溶性的金属螯
物。