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Benzo(a)pyrene solution 100ug/ml in Methanol
磺胺间甲氧嘧啶
Chloroacetic acid Solution 100ug/ml in t-Butylmethyl ether
PCB No 7 标准品
(办证)溴谷隆-D6
氯可托龙 标准品
抑草磷
1,5-Dibromopentane-1,1,5,5-d4 标准品
Heptenophos 100 ?g/mL in Acetonitrile. Short expiry date due to chemical nature of component(s)
4种农残混标(NY/T2820-201