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ANALYTICAL STANDARDS CUSTOM MADE SOLUTIONS
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日期：2026-04-23
Colour Coded pH-buffer Solutions These pH buffers are colour coded for simplicity, and each lot is traceable to NIST Standards to ensure accuracy. Accuracy is ±0.012 pH. Each pH buffer includes a certificate. DESCRIPTION pH 4.00 at 20 C Coloured Citric Ac...看更多
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