碧云天 中和缓冲液（PBS，pH 7.4）

评测依据

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• time_range：{"from":"2026-06-26 04:37:37","to":"2026-06-26 04:37:37"}
• intros：{"brand_intro":"碧云天（Beyotime）是中国领先的科研试剂与耗材品牌，专注于为生命科学领域提供高性价比产品。公司成立于2001年，产品线覆盖缓冲液、抗体、检测试剂盒等，以稳定的质量和亲民的价格深受国内高校和研究所用户喜爱。","product_intro":"该产品为即用型PBS缓冲液，pH 7.4，无菌过滤，不含钙镁离子，适用于常规细胞洗涤、稀释和免疫检测。采用国产高纯度原料配制，经过严格质检，内毒素和微生物指标符合行业标准，是实验室日常实验的经济之选。","key_specs":["pH值：7.4 ± 0.1","渗透压：280-310 mOsm/kg","内毒素：<1 EU/mL","无菌：0.22 μm过滤","包装规格：500 mL/瓶","储存条件：4-25°C"]}
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• kol_quotes：["碧云天PBS是实验室的'口粮'，便宜好用，日常洗涤完全够用。","对于预算有限的课题组，碧云天是替代进口的不错选择。"]
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