[KongchangAI]
Unverified85% confidenceCautionTime unknown

市面上大量所谓'检测笔'实为TDS/电导率笔或pH笔冒充,无法真正检测亚硝酸盐,购买前须确认检测原理为萘乙二胺重氮化比色法或专用离子选择电极,否则读数无意义

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85%
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Long-term
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