Unverified80% confidenceDecision RuleTime unknown
试纸有保质期且对存储温湿度有要求，购买前应确认有效期和每盒检测次数，避免囤货过多导致过期浪费
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80%
Confidence
Long-term
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-
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Unverified购买前须确认试纸有效期和存储条件要求，试纸对温湿度敏感，过期或存放不当会导致结果不可靠87% similarUnverified试纸对温度和有效期敏感，高温潮湿环境或过期试纸会导致读数偏差；开封后的试纸罐需在标注天数内用完（通常3-6个月），选购时注意生产日期与批量购买不宜过多77% similarUnverified需在规定温度范围内密封储存，过期或受潮后准确性下降明显；购买前应确认生产日期和保质期，家庭备用不宜大量囤货76% similarUnverified购买前确认试剂保质期和储存条件（通常需冷藏），大批量囤货要评估消耗速度，过期试剂会导致假阴性结果73% similarUnverified保存液有明确有效期，需定期检查并在过期前更换新盒，否则关键时刻可能失效；购买时应确认生产日期和保质期73% similar
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