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Method 615 Underivatized Chlorinated Herbicides 标准品
4-Methoxyphenyl-2,3,5,6-d4-acetonitrile 标准品
戊菌唑 BePure-24733XA
Hexafluoroacetylacetone (无证书)
镉-标液,介质:1%硝酸
MALVIN CHLORIDE(P) 标准品
Tinted BNA Surrogate Solution 标准品
EPA 8080/8270杀虫剂替代混标 标准品
Gasoline Range Organics #1 - GRO/DRO 1000ug/ml in Methanol
葛根农残空白质控样