国药亚硝酸盐指示剂（格里斯试剂）

评测依据

• review_count：3200
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["京东","天猫","国药试剂官网"]
• 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是中国领先的化学试剂制造商，隶属于中国医药集团。公司拥有超过60年的研发与生产经验，产品覆盖分析纯、优级纯、指示剂等数万种规格。其试剂以高纯度、稳定性强著称，广泛服务于高校、科研院所及质检机构，是国内实验室耗材领域的标杆品牌。","product_intro":"本产品为经典的格里斯试剂（对氨基苯磺酸与α-萘胺混合溶液），专用于亚硝酸盐的定性及半定量检测。在酸性条件下与亚硝酸盐反应生成偶氮染料，呈现特征紫红色。适用于饮用水、食品、环境水样中亚硝酸盐的快速筛查，操作简便，显色灵敏，检测限可达0.1 mg/L。","key_specs":{"检测对象":"亚硝酸盐（NO₂⁻）","检测原理":"重氮偶合反应（格里斯法）","显色范围":"0.1-10 mg/L","包装规格":"100 mL/瓶","储存条件":"2-8℃避光密封","保质期":"12个月"}}
• alt_products：[{"product_name":"国药亚硝酸盐指示剂（格里斯试剂）","brand":"国药集团化学试剂有限公司","model":"GR-1001","price":45},{"product_name":"阿拉丁亚硝酸盐指示剂（格里斯试剂）","brand":"上海阿拉丁生化科技股份有限公司","model":"A110523-100ml","price":68}]
• kol_quotes：["@化学实验老张：国药这款指示剂是实验室常备款，显色稳定，新手也能轻松上手。","@水质检测王工：用于饮用水亚硝酸盐筛查，灵敏度足够，性价比远超进口货。"]
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