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Sludge - Certified Reference Solid (Domestic)(有证书)
Methyl 10-trans-heptadecenoate
1-Nonene
盐酸吡多胺
乙二醇单丁醚
2.4.5-T-amine Solution 100ug/ml in Methanol
Famoxadone Solution in Acetonitrile
Copper(hydroxynonylphenyl)sulphonate
Ammonium-d4 Deuteroxide (26% w/w in D2O) 标准品
色泽 4 标准品