Unverified82% confidenceDecision RuleTime unknown
硬水地区(如北方地区,水硬度>150mg/L)优先选含螯合剂(EDTA或柠檬酸钠)的凝珠,否则去污成分被钙镁离子消耗,实际洗净力下降约20%-30%
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Unverified硬水地区(水质硬度>150mg/L,如北方多数城市)优先选含螯合剂(EDTA或柠檬酸盐)的凝珠,否则钙镁离子会与表活结合导致去污力下降30%以上并产生衣物发灰93% similarUnverified硬水地区(水质硬度>150mg/L,如北方多数城市)优先选含螯合剂(EDTA或柠檬酸钠)的凝珠,否则表活会与钙镁离子结合形成皂垢,去污力打折且衣物发灰90% similarUnverified硬水地区(钙镁离子高)洗衣粉去污力下降,应选含较高比例螯合剂(如柠檬酸钠、4A沸石)的配方,或增加投放量20%-30%来补偿硬水消耗87% similarUnverified硬水地区(钙镁离子高)洗涤剂洗净力会明显下降,应选择含螯合剂(EDTA/柠檬酸盐)的产品或适当增加用量,否则易在衣物上形成钙皂残留发黄85% similarUnverified硬水地区(如北方)洗涤时钙镁离子会与表面活性剂结合降低去污力并形成灰垢,应选含螯合剂/软水剂(如沸石、柠檬酸盐)的配方或适当加量83% similar
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