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),
螯合剂
于形成

的金属螯合物。
]
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