国药氨氮指示剂（纳氏试剂）

评测依据

• review_count：450
• rating_avg：4.4
• brand_reputation：0
• merchant_count：0
• price_range：[300,799]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:35:52","to":"2026-06-26 04:35:52"}
• intros：{"brand_intro":"国药集团化学试剂有限公司（简称国药试剂）是中国最大的化学试剂供应商之一，隶属于中国医药集团。公司拥有60余年生产历史，产品覆盖分析纯、优级纯等各类试剂。其氨氮指示剂以高性价比和稳定的供货能力著称，是众多高校和中小型检测机构的常用选择。","product_intro":"该产品为经典纳氏试剂，用于水样中氨氮的比色测定。试剂为液体形态，需按标准方法配制标准曲线后使用。检测范围0.05-2.0 mg/L，适用于地表水、生活污水和工业废水。产品符合GB/T 5750.5-2006标准，每批附带质检报告，适合预算有限的实验室日常使用。","key_specs":["检测方法：纳氏试剂比色法","检测范围：0.05-2.0 mg/L NH₃-N","包装规格：500mL/瓶","纯度等级：分析纯（AR）","执行标准：GB/T 5750.5-2006"]}
• alt_products：[{"product_name":"国药氨氮指示剂（纳氏试剂）","brand":"国药试剂","model":"10014518","price":320},{"product_name":"阿拉丁氨氮指示剂（水杨酸法）","brand":"阿拉丁","model":"A116123","price":580}]
• kol_quotes：["@高校实验员赵老师：国药试剂是实验室的'老黄牛'，便宜又好用。","@第三方检测小陈：批量采购首选，成本控制利器。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":85.89999999999999,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为性价比极高，适合大量消耗的常规检测。高校实验室评价其\"价格亲民，质量稳定，满足教学需求\"。部分工业用户指出液体试剂保存需注意避光，且配制标准曲线稍显繁琐。也有反馈称批次间略有颜色差异，但整体不影响使用，复购率很高。","source_count":0}},{"source":"objective","score":89.66259519038076,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.4,"price":320,"wom_score":85.89999999999999}},{"source":"user_review","score":88,"weight":0.15,"confidence":1,"details":{"rating_avg":4.4,"review_count":450,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@高校实验员赵老师：国药试剂是实验室的'老黄牛'，便宜又好用。","@第三方检测小陈：批量采购首选，成本控制利器。"]}}]
• method_version：v3
• search_visual：null