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苯酚混标18
Toxic Organic Mix 标准品
鱼肉 呋喃妥因代谢物AHD BQC1363324335H
GUM ARABIC(ACACIA ARABICA) BARK BRM 标准品
1,2,3,4,6,7,8,9-Octachlorodibenzofuran 标准品
Derivatized Carbonyl Compounds Mixture (Option #1) - 8315 100ug/ml in Acetonitrile
Chlorpyrifos Solution 100ug/ml in Isooctane
27种机氯混标 BePure-30875-4XZ
n-Heptadecane, δ13C: - 25.72
Internal Standards Mixture High Concentration - 524.2 2000ug/ml in Methanol