缬草酸 [正戊酸],Valeric acid;pharmaceutical secondary standard, certified reference material
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硝酸铕(III)五水合物,Europium(III) nitrate pentahydrate;99.9% trace metals basis
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苄索氯铵 [海胺1622],Benzethonium chloride;BioUltra, ≥99.0% (AT)
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DEAE葡聚糖凝胶A50,DEAE Sephadex A-50
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2,5-二羟基苯甲酸,2,5-Dihydroxybenzoic acid [2,5-DHBA, DHB];98%
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4-巯基苯甲酸,4-Mercaptobenzoic acid [4-MBA];99%
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碳酸铷,Rubidium carbonate;99% (trace metals analysis)