[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

余氯检测应选DPD比色法(试剂或专用仪)而非普通试纸,DPD可区分游离氯和总氯,检测自来水消毒残留更准确;普通OTO试纸受pH影响大且不能定量

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Long-term
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