氧化钙催化剂（化学纯）

评测依据

• review_count：480
• rating_avg：4.3
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:35:22","to":"2026-06-26 04:35:22"}
• intros：{"brand_intro":"国药集团化学试剂有限公司（简称国药试剂）是中国最大的化学试剂生产商之一，成立于1958年，总部在上海。作为国有品牌，其产品覆盖从基础化学试剂到高纯催化剂，以价格低廉、供应稳定著称。在高校基础教学实验室和工业质检领域拥有极高市场占有率。","product_intro":"该产品为化学纯级氧化钙催化剂，白色块状或粉末，纯度≥97.0%。主要用于基础有机合成、干燥剂制备及中和反应。颗粒较粗，适合非精密催化场景。采用塑料瓶包装，量大价优，常被用于学生实验和工业预处理。","key_specs":["纯度：≥97.0%","杂质：盐酸不溶物≤0.05%","粒径：块状（可研磨）","包装规格：500g/瓶","储存条件：密封干燥"]}
• alt_products：[{"product_name":"氧化钙催化剂（化学纯）","brand":"国药试剂","model":"10017018-500g","price":45},{"product_name":"氧化钙催化剂（分析纯）","brand":"麦克林","model":"C805346-500g","price":85}]
• kol_quotes：["@化学老师王：国药的氧化钙用了二十年，稳定可靠。","@工业催化师：做预处理时性价比无敌。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":77.1,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为\"便宜好用\"，适合大量消耗的实验。部分反馈指出纯度不如分析纯，但\"对一般反应够用\"。在高校实验室中复购率极高，有老师评价\"学生实验用这个不心疼\"。天猫好评率92%，有用户提到\"用于制备氢氧化钙效果很好\"。","source_count":0}},{"source":"objective","score":73.44863636363635,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.3,"price":45,"wom_score":77.1}},{"source":"user_review","score":86,"weight":0.15,"confidence":1,"details":{"rating_avg":4.3,"review_count":480,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@化学老师王：国药的氧化钙用了二十年，稳定可靠。","@工业催化师：做预处理时性价比无敌。"]}}]
• method_version：v3
• search_visual：null