6组分甲基衍生物混标, Methyl derivatives,Varied conc. in MeOH

甲基衍生物质量控制样品, Quality Control Sample Methyl Derivatives,Varied conc. in MtBE

EPA Method 521 Internal Standard Stock Solution,1000 μg/mL in Methylene chloride

EPA方法521内标储备液-N-亚硝基正丙胺-D14

1,2-二氯苯-D4&氟苯, 1,2-Dichlorobenzene-d4 &Fluorobenzene,2.0 mg/mL in Methanol

3组分EPA 替代物标准品, EPA Method 524.3 Surrogate Standard,2.0 mg/mL in Methanol

DFTPP,0.1 mg/mL in Dichloromethane

十氟三苯基磷

2种内标, Internal Standard,Varied conc. in Methylene chloride

方法529替代分析物营养强化解决溶液, Method 529 Surrogate Analyte Fortification Solution,100 μg/mL in Methanol

1-Naphthol,0.1 mg/mL in Acetonitrile

1-萘酚

氨基甲酯类农药套标(11种), Method 531 (HPLC) Set