氧化钙催化剂（分析纯）

评测依据

• review_count：210
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_quality
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:35:22","to":"2026-06-26 04:35:22"}
• intros：{"brand_intro":"麦克林（Macklin）是上海麦克林生化科技有限公司旗下品牌，成立于2013年，专注于高纯试剂、催化剂及生化试剂。以快速物流和丰富库存（常备10万+产品）著称，尤其在中端科研市场占有率高。产品严格遵循ISO 9001和ISO 14001体系，价格亲民，深受中小型实验室青睐。","product_intro":"该产品为分析纯级氧化钙催化剂，白色粉末状，纯度≥98.0%。适用于常规有机合成中的碱催化反应，如Knoevenagel缩合、Michael加成等。颗粒较粗（约200目），成本低廉，适合大批量使用。采用双层密封瓶包装，附带防潮指示卡。","key_specs":["纯度：≥98.0%","粒径：200目（约75μm）","灼烧失重：≤2.0%","包装规格：500g/瓶","储存条件：阴凉干燥处"]}
• alt_products：[{"product_name":"氧化钙催化剂（分析纯）","brand":"麦克林","model":"C805346-500g","price":85},{"product_name":"氧化钙催化剂（化学纯）","brand":"国药试剂","model":"10017018-500g","price":45}]
• kol_quotes：["@实验室小张：麦克林的氧化钙做Knoevenagel反应，收率稳定在85%以上。","@催化老司机：价格便宜，做大量筛选实验不心疼。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":84.1,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户认为该产品\"物美价廉\"，适合对纯度要求不高的基础催化实验。部分反馈指出颗粒较粗，在液相反应中沉降较快，需搅拌充分。整体评价正面，尤其适合教学实验和初步筛选。京东好评率95%，有用户提到\"用于制备固体碱催化剂效果不错\"。","source_count":0}},{"source":"objective","score":87.64,"weight":0.6,"confidence":0.8,"details":{"rating_avg":4.5,"review_count":210,"wom_score":84.1}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"review_count":210,"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":["@实验室小张：麦克林的氧化钙做Knoevenagel反应，收率稳定在85%以上。","@催化老司机：价格便宜，做大量筛选实验不心疼。"]}}]
• method_version：v3
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