苯基脲基准浓缩标准品, Phenylurea Concentrate Standard,5.0 mg/mL in Methanol

EPA 537方法标准溶液,14种全氟类化合物混标, M-537 Native Compound Standard,50 μg/mL in Acetonitrile:Water (95:5)

Endosulfan I ,10 μg/mL in MtBE

alpha-硫丹

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

甲基衍生物标准品, Method 552.1-Methyl Derivatives

Methyl chlorodibromoacetate,100 μg/mL in MtBE

二溴一氯乙酸甲酯

实验室性能检测溶液, Lab Performance Check Solution,Varied conc. in MtBE

二溴乙酸, Dibromoacetic acid,1000 μg/mL in MtBE

2,3-Dibromopropionic methyl ester ,20 mg/mL in MtBE

2,3-二溴丙酸甲酯

Cyclohexanone-DNPH,1000 μg/mL in MeOH:AcCN (95:5) (as deriv.)

环己酮-DNPH