煤标准物质 % S = 0.4917,Subbituminous Coal (Sulfur, Mercury, and Chlorine),NIST和IRMM标准物质|煤标准物质 % S = 0.4917|质控样品和标准物质

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煤标准物质 % S = 0.4917

货号：SRM2682b
包装：50g

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Subbituminous Coal (Sulfur, Mercury, and Chlorine) 品牌：NIST；订货号：SRM2682b 类别：NIST和IRMM标准物质