Unverified85% confidenceFactTime unknown
柠檬酸分无水（含量≥99.5%）和一水（含1分子结晶水，实际酸含量约91%）两种，无水柠檬酸吸湿性稍强但纯度高，一水柠檬酸更常见更稳定，家用除垢一水即可
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85%
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Unverified柠檬酸型除垢片对水垢（碳酸钙）除垢力强且残留气味小，是电水壶、咖啡机的首选；含量应≥90%的无水柠檬酸才有稳定除垢效率82% similarUnverified柠檬酸溶解碳酸钙水垢时温水（40-50℃）效率比冷水高数倍，选用柠檬酸类除垢剂时用温水配比浸泡效果更佳80% similarUnverified水垢/钙化白斑（硬水地区）需选含柠檬酸或磷酸的除垢型产品，普通去油污清洁剂对无机水垢基本无效；柠檬酸浓度10%以上除垢明显但需现配现用79% similarUnverified复配柠檬酸的'小苏打+柠檬酸'型泡腾类产品适合下水道/马桶除臭去堵，但两者混合会中和反应，日常擦洗去油污应选纯碳酸氢钠而非复配款79% similarUnverified含过碳酸钠（活性氧成分）的粉末型清洗剂在40-60℃热水中分解产生氧气泡，对夹层污垢剥离效果优于纯柠檬酸型，柠檬酸型主要除水垢但对生物膜霉菌效果弱78% similar
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