液异丙醇 (分析纯AR, ≥99.7%)

评测依据

• review_count：4500
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:35:29","to":"2026-06-26 04:35:29"}
• 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，隶属于中国医药集团。公司成立于1958年，拥有超过60年的历史，产品涵盖分析纯、化学纯、优级纯等数万种规格。国药试剂以\"国药\"品牌享誉全国，是众多国家级实验室和质检机构的指定供应商，品质可靠，市场覆盖率极高。","product_intro":"国药试剂分析纯（AR）液异丙醇，纯度≥99.7%，水分≤0.2%，符合GB/T 686-2008标准。产品采用500ml玻璃瓶或2.5L塑料桶包装，适用于常规化学分析、教学实验及工业清洗。作为经典国货，价格亲民，是中小学、高校及企业实验室的基础配置溶剂。","key_specs":{"纯度":"≥99.7% (GC)","水分含量":"≤0.2%","蒸发残渣":"≤0.001%","密度 (20℃)":"0.784-0.786 g/mL","包装规格":"500ml / 2.5L / 25L","等级":"分析纯 (AR)"}}
• alt_products：[{"product_name":"液异丙醇 (分析纯AR, ≥99.7%)","brand":"国药试剂 (Sinopharm Chemical Reagent)","model":"80109218-500ml","price":35},{"product_name":"液异丙醇 (ACS级, ≥99.5%)","brand":"麦克林 (Macklin)","model":"I811706-500ml","price":45},{"product_name":"液异丙醇 (HPLC级, 99.9%)","brand":"阿拉丁 (Aladdin)","model":"I108023-500ml","price":68}]
• kol_quotes：["@退休教授张工：国药试剂的AR级异丙醇我从80年代用到现在，从来没出过问题。","@中学化学老师刘老师：学生实验用这款最放心，便宜又安全。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":92.9,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价以\"老牌子，信得过\"为主，很多老实验员表示\"用了十几年，质量稳定\"。价格优势明显，被评价为\"实验室最便宜的靠谱异丙醇\"。部分用户提到\"纯度满足大多数教学和基础实验需求\"，但\"用于HPLC或痕量分析时需谨慎\"。少数评论指出\"瓶口密封性一般，建议分装保存\"。整体口碑扎实，是\"国民实验室溶剂\"。","source_count":0}},{"source":"objective","score":84.1089393939394,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.6,"price":35,"wom_score":92.9}},{"source":"user_review","score":92,"weight":0.15,"confidence":1,"details":{"rating_avg":4.6,"review_count":4500,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@退休教授张工：国药试剂的AR级异丙醇我从80年代用到现在，从来没出过问题。","@中学化学老师刘老师：学生实验用这款最放心，便宜又安全。"]}}]
• method_version：v2
• search_visual：null