钒催化剂（偏钒酸铵）

评测依据

• review_count：280
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:35:24","to":"2026-06-26 04:35:24"}
• 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，专注于高端化学试剂、催化剂及实验室耗材。公司拥有现代化生产基地和严格的质量控制体系，产品远销海外。麦克林以\"精准、可靠、创新\"为核心理念，在催化材料领域以快速交付和定制服务著称，深受科研人员信赖。","product_intro":"本产品为偏钒酸铵（NH₄VO₃）催化剂，白色结晶粉末，纯度≥99.0%。常用于制备其他钒化合物、氧化催化及分析化学中。产品经过多次重结晶提纯，金属杂质含量低，溶解后溶液清澈。适用于实验室小批量合成及中试放大研究，每批次提供详细质检报告，支持定制粒度。","key_specs":["纯度：≥99.0%","分子式：NH₄VO₃","外观：白色结晶粉末","水溶解性：易溶（20°C）","重金属含量：≤0.005%","包装规格：100g/瓶"]}
• alt_products：[{"product_name":"钒催化剂（偏钒酸铵）","brand":"麦克林","model":"M813446-100g","price":156},{"product_name":"钒催化剂（五氧化二钒，分析纯）","brand":"国药试剂","model":"10022618-500g","price":265},{"product_name":"钒催化剂（五氧化二钒）","brand":"阿拉丁","model":"V116291-500g","price":298}]
• kol_quotes：["\"麦克林的偏钒酸铵是我做钒基MOF的首选原料。\"——材料科学博主","\"性价比之王，学生实验用完全不心疼。\"——某研究所实验室主管"]
• scoring_breakdown：[{"source":"word_of_mouth","score":85.89999999999999,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价集中于高纯度和低杂质含量，在制备钒基催化剂前驱体时表现优异。多位分析化学用户称赞其溶解性佳，无残留。部分评论提到价格适中，适合预算有限的课题组。少数用户反馈包装防潮性一般，建议开封后尽快使用。整体满意度高，复购率超过70%。","source_count":0}},{"source":"objective","score":83.12278894472361,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.5,"price":156,"wom_score":85.89999999999999}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"review_count":280,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"麦克林的偏钒酸铵是我做钒基MOF的首选原料。\"——材料科学博主","\"性价比之王，学生实验用完全不心疼。\"——某研究所实验室主管"]}}]
• method_version：v3
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