Unverified78% confidenceDecision RuleTime unknown
重金属显色试纸对pH和温度敏感，样品pH偏离说明书范围（多要求5-7）或水温低于15℃会导致显色不完全、结果偏低，检测前需按说明调节水样条件
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78%
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Long-term
Relevance
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Unverified看pH判断温和度：弱酸性（pH5.5-7）接近皮肤天然pH更温和；沐浴露标注SLS/SLES（月桂醇硫酸酯钠）在成分表前三位说明清洁力强但脱脂性大，适合大汗油腻场景不适合日常干皮70% similarUnverified水银体温计误差范围应≤±0.1℃，选购时优先选择通过计量认证（检定合格证）的产品，玻璃管内水银柱应连续无断线、无气泡69% similarUnverified液晶感温贴纸的显示误差通常在±1-2℃，无法替代电子体温计或水银体温计做临床诊断，只能用于趋势性观察发热变化68% similarUnverified材质安全看标识：PP（聚丙烯，回收标5）耐温-20~120℃可微波首选；PC（标7）可能含双酚A不建议装热食；Tritan耐温约100℃、抗摔透明但通常标注不可微波；304/316不锈钢完全不可进微波炉68% similarUnverified选PP或食品级材质桶体并确认耐温标注≥50℃，劣质塑料在40℃以上热水中可能释放异味；高温加热款慎选带印刷内壁，油墨可能溶出68% similar
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