四环素标准品

评测依据

• review_count：210
• rating_avg：4.9
• brand_reputation：0
• merchant_count：0
• price_range：[800,1999]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:36:31","to":"2026-06-26 04:36:31"}
• intros：{"brand_intro":"Dr. Ehrenstorfer是德国LGC集团旗下专业标准品品牌，专注农药、抗生素及环境污染物标准品40余年。其产品通过ISO 17034和ISO/IEC 17025双重认证，在欧盟及中国高端检测实验室中市场占有率领先，尤其以复杂基质中痕量分析标准品著称。","product_intro":"本品为四环素高纯度标准品（纯度≥99.0%），适用于蜂蜜、牛奶、肉类中四环素族残留的LC-MS/MS定量分析。提供完整的稳定性研究数据及不确定度评估报告。采用棕色安瓿瓶充氮封装，有效防止氧化降解，保质期长达5年。","key_specs":{"对象":"四环素标准品","纯度":"≥99.0% (HPLC/UV)","规格":"100mg/瓶","储存条件":"-20°C避光","保质期":"60个月","认证":"ISO 17034 / ISO/IEC 17025"}}
• alt_products：[{"product_name":"四环素标准品","brand":"Dr. Ehrenstorfer","model":"C14450000","price":890}]
• kol_quotes：["Dr. Ehrenstorfer的四环素标准品，杂质峰几乎看不到，做同位素内标法绝配。","不确定度报告比国产详细三倍，评审专家看了都点头。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":96.69999999999999,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户高度评价其\"超低杂质背景\"和\"长期稳定性\"。环境监测中心反馈，该标准品用于地表水四环素检测时，方法检出限可达0.1 ng/mL。食品检测机构称赞其不确定度报告详尽，便于出具CNAS认可报告。部分用户认为价格偏高，但\"做仲裁检测时值得投入\"。","source_count":0}},{"source":"objective","score":95.89312343619683,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.9,"price":890,"wom_score":96.69999999999999}},{"source":"user_review","score":98,"weight":0.15,"confidence":1,"details":{"rating_avg":4.9,"review_count":210,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["Dr. Ehrenstorfer的四环素标准品，杂质峰几乎看不到，做同位素内标法绝配。","不确定度报告比国产详细三倍，评审专家看了都点头。"]}}]
• method_version：v2
• search_visual：null