[KongchangAI]
Unverified50% confidenceCautionTime unknown

市面上百元级'重金属检测笔'绝大多数为电导率/TDS检测原理,只能测水的溶解性固体总量,根本无法定量检测铅、镉等重金属元素,家长切勿将其等同于重金属专业检测设备

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