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纯度合格为何依然“失效”？——揭秘化学品中生化产品的隐形技术指标

在生物化学与分析化学的精密实验领域，研究人员常常面临一个困惑：面对同一个化合物，如用于代谢研究的磷酸烯醇丙酮酸单钾盐（PEP-K，ChemWhat®38422）、磷酸烯醇丙酮酸单环己胺盐（PEP-CHA，ChemWhat®38345）或是用于金属离子精密检测的呋喃三嗪二钠盐（Ferene，ChemWhat®25976），市场上充斥着众多供应商，且标签上的化学纯度看起来大同小异，但在实际操作中，不同厂家的产品表现却有着云泥之别 。
https://www.youtube.com/watch?v=js-rqmQr9Dk
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