三氯蔗糖标准品 (≥98.0%)

评测依据

• review_count：950
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[800,1999]
• dimension：best_value
• sources：["京东","天猫","LGC官网","什么值得买"]
• time_range：{"from":"2026-06-25 15:23:55","to":"2026-06-25 15:23:55"}
• intros：{"brand_intro":"Dr. Ehrenstorfer 是德国LGC集团旗下的高端标准品品牌，成立于1975年，专注于农药、食品添加剂及环境污染物标准品的研发。品牌以\"痕量分析专家\"著称，其产品纯度普遍≥98%，且提供完整的ISO 17034认证。创始人Dr. Ehrenstorfer本人是色谱分析领域的先驱，品控理念强调\"每一瓶标准品都是艺术品\"。在甜味剂标准品领域，其三氯蔗糖产品被欧洲食品安全局（EFSA）列为参考物质。","product_intro":"三氯蔗糖标准品 (≥98.0%) 专为高灵敏度LC-MS/MS分析设计，适用于饮料、烘焙食品中三氯蔗糖的痕量检测。核心卖点：纯度≥98%，杂质谱清晰，附带详细质谱图；采用棕色玻璃瓶包装，防止光降解。相比Sigma同类产品，其价格略低但纯度相当，且提供更快的交货周期（国内现货）。适用于第三方检测机构、高校环境科学实验室及食品企业研发中心。","key_specs":{"纯度":"≥98.0%（HPLC法）","分子式":"C12H19Cl3O8","分子量":"397.64 g/mol","储存条件":"2-8℃冷藏，密封避光","包装规格":"100mg/瓶","适用仪器":"LC-MS/MS、HPLC-ELSD"}}
• alt_products：[{"product_name":"三氯蔗糖标准品 (≥98.0%)","brand":"Dr. Ehrenstorfer","model":"C 16930000","price":820}]
• kol_quotes：[]
• scoring_breakdown：[{"source":"word_of_mouth","score":87.1,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"什么值得买和LGC官网评价显示，用户认可其高纯度带来的低背景噪音，尤其适合复杂基质（如可乐、果汁）中的痕量分析。专业评测指出，该标准品在0.01-1.0 μg/mL范围内灵敏度优异，但价格较高且包装量小。优点：杂质峰少，数据干净；缺点：100mg包装对常规实验室不够经济，且需冷藏运输。小红书用户评价：\"做三氯蔗糖代谢实验，用Dr. E的标品，质谱图干净得像教科书。\"","source_count":4}},{"source":"objective","score":92.1845829858215,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.6,"price":820,"wom_score":87.1}},{"source":"user_review","score":92,"weight":0.15,"confidence":1,"details":{"rating_avg":4.6,"review_count":950,"source":"product_reviews_aggregate"}}]
• method_version：v2
• search_visual：null