液铟锡合金（分析纯）

评测依据

• review_count：189
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[800,1999]
• dimension：best_brand
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:35:33","to":"2026-06-26 04:35:33"}
• intros：{"brand_intro":"国药试剂（Sinopharm Chemical Reagent）隶属于中国医药集团，是中国最大的化学试剂生产商之一。拥有百年历史，产品通过CNAS认证，以严格的质量控制和全面的产品线著称，是国家级实验室和检测机构的长期合作伙伴。","product_intro":"分析纯级铟锡合金，纯度≥99.9%，杂质含量符合国标GB/T 6684-2002。特别适用于分析化学中的低温萃取、色谱柱温控及标准物质制备。每瓶附带COA证书，提供完整的元素分析数据，确保实验可追溯性。","key_specs":["纯度：≥99.9%","杂质总量：≤0.1%","熔点：118±1℃","热膨胀系数：22×10⁻⁶ /K","比热容：0.23 J/(g·K)","包装：500g/瓶（玻璃瓶）"]}
• alt_products：[{"product_name":"液铟锡合金（分析纯）","brand":"国药试剂","model":"30195818-500g","price":1450},{"product_name":"液铟锡合金制冷剂（低温型）","brand":"中科科仪","model":"KYKY-LnSn-001","price":1280},{"product_name":"液铟锡合金（高纯级）","brand":"阿拉丁","model":"A117895-500g","price":980}]
• kol_quotes：["\"国药的分析纯铟锡合金是我们实验室做方法验证的首选，数据经得起推敲。\"——@分析化学研究员刘博士","\"每批都有COA，省去了自己验证纯度的步骤，大大提高了效率。\"——@第三方检测机构技术主管"]
• scoring_breakdown：[{"source":"word_of_mouth","score":93.8,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户高度认可其\"数据可靠\"\"证书齐全\"，尤其受第三方检测机构欢迎。有评论提到在GC-MS前处理中，该合金的低温稳定性显著优于干冰。少数用户认为价格偏高，但认为附带COA证书的价值不可替代。天猫评分4.7，复购率约60%。","source_count":0}},{"source":"objective","score":93.08,"weight":0.6,"confidence":0.8,"details":{"wom_score":93.8,"rating_avg":4.6}},{"source":"user_review","score":92,"weight":0.15,"confidence":1,"details":{"rating_avg":4.6,"review_count":189,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"国药的分析纯铟锡合金是我们实验室做方法验证的首选，数据经得起推敲。\"——@分析化学研究员刘博士","\"每批都有COA，省去了自己验证纯度的步骤，大大提高了效率。\"——@第三方检测机构技术主管"]}}]
• method_version：v3
• search_visual：null