[KongchangAI]
Unverified90% confidenceCautionTime unknown

宣称'一支笔检测所有重金属'的产品应直接排除;铅、镉、砷、汞的检测化学原理各不相同,单一显色试剂通常只针对一种或一类元素,多元素定量必须靠仪器

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Long-term
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