[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

pH检测选电极式而非试纸/比色式,误差应≤±0.1;电极式需要定期用标准缓冲液(pH4.0/6.86/9.18)两点或三点校准,无校准功能的pH笔用几个月后读数严重漂移不可信

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85%
Confidence
Long-term
Relevance
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