百里酚酞指示剂

评测依据

• review_count：190
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:35:59","to":"2026-06-26 04:35:59"}
• intros：{"brand_intro":"源叶生物（Yuanye Bio）成立于2009年，专注于生化试剂与指示剂的研发生产。公司拥有独立的研发中心和GMP标准车间，产品以高纯度、低杂质著称，在生物医药和科研领域口碑良好，尤其受高端实验室和制药企业认可。","product_intro":"百里酚酞指示剂为0.1%乙醇溶液，pH变色范围9.4-10.6（无色→蓝），适用于弱碱滴定及碳酸盐体系分析。该产品采用高纯百里酚酞配制，变色敏锐、无拖尾，特别适合需要精确判断终点的科研与工业应用。","key_specs":["浓度：0.1% (w/v) 乙醇溶液","pH变色范围：9.4-10.6（无色→蓝）","包装规格：100 mL","储存条件：2-8°C避光","保质期：24个月","纯度：≥99.5% (HPLC)"]}
• alt_products：[{"product_name":"百里酚酞指示剂","brand":"源叶生物","model":"S24247-100ml","price":128},{"product_name":"酚酞指示剂溶液","brand":"Sigma-Aldrich","model":"105945-100ML","price":298}]
• kol_quotes：["@分析化学博士小刘：百里酚酞的蓝色很正，滴定终点一目了然。","@制药QC王工：源叶的指示剂批次间差异极小，放心用于放行检测。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":86.89999999999999,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户称赞其变色清晰、终点锐利，尤其适合弱碱滴定。多数评论来自制药和环保检测领域，认为批次间稳定性好。部分用户提到需冷藏保存稍显不便，但品质值得。少数反馈在强碱环境中颜色褪去较快，但属于正常现象。","source_count":0}},{"source":"objective","score":89.0938944723618,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.7,"price":128,"wom_score":86.89999999999999}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":190,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@分析化学博士小刘：百里酚酞的蓝色很正，滴定终点一目了然。","@制药QC王工：源叶的指示剂批次间差异极小，放心用于放行检测。"]}}]
• method_version：v2
• search_visual：null