N-甲基甲酰肟和N-甲基氨基甲酸酯混标, N-Methyl carbamoyl oximes &N-Methyl carbamates,0.1 mg/mL in Acetonitrile

苯基脲基准稀释标准品, Phenylurea Primary Dilution Standard,Varied conc. in Methanol

苯基脲基准稀释标准品, Phenylurea Primary Dilution Standard,Varied conc. in Methanol

Endothall,50 μg/mL in Water

草多索

Endosulfan I ,10 μg/mL in MtBE

alpha-硫丹

改进实验室性能检测溶液, Modified Laboratory Performance Check Solution,Varied conc. in MtBE

甲基衍生物, Method 552.1-Methyl Derivatives,Varied conc. in MeOH

挥发性有机酸套标, Method 552.1-Underivatized Analytes Set

Dalapon methyl ester,40 μg/mL in MtBE

二氯丙酸甲酯

Dalapon acid,40 μg/mL in MtBE

茅草枯