山梨酸钾标准品 (防腐剂对照品)

评测依据

• review_count：356
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:36:30","to":"2026-06-26 04:36:30"}
• intros：{"brand_intro":"麦克林是上海麦克林生化科技有限公司旗下品牌，专注于高纯试剂和标准品的研发生产。公司拥有现代化生产基地和严格的质量控制体系，产品涵盖分析标准品、生化试剂等。以'品质为本、服务至上'为理念，在国内科研市场口碑良好。","product_intro":"山梨酸钾标准品为白色或类白色结晶粉末，纯度≥99.0%，是食品和化妆品中常用的防腐剂对照物质。本品在水和乙醇中溶解性良好，对霉菌和酵母菌有特效抑制作用。适用于食品添加剂检测、化妆品安全评估及环境水样分析中的定量校准。","key_specs":["CAS号：24634-61-5","纯度：≥99.0% (HPLC)","分子量：150.22","熔点：270°C (分解)","储存条件：2-8°C避光","包装：100mg/瓶"]}
• alt_products：[{"product_name":"山梨酸钾标准品 (防腐剂对照品)","brand":"麦克林 (Macklin)","model":"S817648-100mg","price":280}]
• kol_quotes：["麦克林的山梨酸钾标准品在食品添加剂检测中表现稳定，是实验室常备耗材。——某高校食品科学学院教授"]
• scoring_breakdown：[{"source":"word_of_mouth","score":86.89999999999999,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户反馈该标准品纯度达标，在液相色谱分析中峰形对称，无干扰。许多高校实验室认为其价格适中，适合教学和基础研究。部分用户提到包装内附有COA证书，便于溯源。少数评价指出溶解速度略慢，但整体性能可靠。","source_count":0}},{"source":"objective","score":64.77932160804019,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.5,"price":280,"wom_score":86.89999999999999}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"review_count":356,"source":"product_reviews_aggregate"}},{"source":"expert","score":76,"weight":0.1,"confidence":0.6,"details":{"kol_count":1,"scored_count":1,"sample":["麦克林的山梨酸钾标准品在食品添加剂检测中表现稳定，是实验室常备耗材。——某高校食品科学学院教授"]}}]
• method_version：v3
• search_visual：null