Unverified85% confidenceDecision RuleTime unknown

选购干银耳看配料表应只有'银耳'一项，若添加二氧化硫、焦亚硫酸钠等防腐/漂白剂应避免，二氧化硫残留国标限值为≤0.05g/kg

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Unverified过敏体质应选925银或14K以上金材质耳针，且要求镍含量符合欧盟标准（镍释放≤0.5μg/cm²/周），普通合金镀层宴会长时间佩戴（＞4小时）易引发耳廓红肿73% similar Unverified银耳泡发率是品质参考：优质干银耳泡发后可达原重的5-8倍，泡发率低或泡后仍硬发脆的多为陈货或劣质品71% similar

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