非对映异构体对照品（氨基酸异构体混合物）

评测依据

• review_count：112
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[2000,4999]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:36:31","to":"2026-06-26 04:36:31"}
• intros：{"brand_intro":"LGC Standards是英国LGC集团旗下的标准品品牌，拥有超过170年历史，是全球领先的参考物质和标准品供应商。其产品覆盖制药、临床、食品及环境领域，以高纯度、严格质控和全球认可度著称，是ISO 17034和ISO 17025双重认证的标杆企业。","product_intro":"该产品为L-丙氨酸与D-丙氨酸非对映异构体标准品，纯度≥99.9%，专用于手性药物合成、生物化学研究及临床诊断中的氨基酸分析。每瓶提供详细的手性纯度、旋光度及杂质数据，适用于HPLC、CE及NMR等精密仪器，是手性方法开发的理想对照品。","key_specs":["纯度：≥99.9%","异构体比例：L-丙氨酸50% / D-丙氨酸50%","包装规格：100mg/瓶","储存条件：2-8°C，干燥避光","适用仪器：HPLC、CE、NMR","证书：附带ISO 17034证书及旋光度数据"]}
• alt_products：[{"product_name":"非对映异构体对照品（氨基酸异构体混合物）","brand":"LGC Standards","model":"L-丙氨酸/D-丙氨酸非对映异构体标准品，纯度≥99.9%","price":2600},{"product_name":"非对映异构体对照品（D-葡萄糖与L-葡萄糖混合物）","brand":"Sigma-Aldrich","model":"D-葡萄糖/L-葡萄糖异构体标准品，纯度≥99.9%","price":2850},{"product_name":"非对映异构体对照品（阿特拉津代谢物异构体）","brand":"Dr. Ehrenstorfer","model":"阿特拉津-2-羟基-4-乙氨基-6-异丙氨基-1,3,5-三嗪异构体标准品","price":3200}]
• kol_quotes：["LGC的氨基酸异构体标准品是手性分析的标杆。","批次间一致性极佳，适合法规实验室。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":93.1,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其手性纯度极高，无交叉污染，适合高灵敏度检测。临床实验室反馈其批次间一致性优异，适合长期方法验证。价格适中，用户认为其性价比在进口品牌中表现突出。","source_count":0}},{"source":"objective","score":90.18299933311103,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.8,"price":2600,"wom_score":93.1}},{"source":"user_review","score":96,"weight":0.15,"confidence":1,"details":{"rating_avg":4.8,"review_count":112,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["LGC的氨基酸异构体标准品是手性分析的标杆。","批次间一致性极佳，适合法规实验室。"]}}]
• method_version：v2
• search_visual：null