标准品, 7-Point Phenoxy-Herbicide Curve

标准品, Phenoxy-Herbicide High Level Daily QC,Varied conc. in Isooctane

标准品, Phenoxy-Herbicide High Level Daily QC,Varied conc. in Isooctane

EPA方法8150A套标, Chlorinated Herbicides as Methyl Derivatives

标准品, Internal Standard VOA Mix,0.2 mg/mL in Methanol

EPA8260内标/替代性混合标准品 7组分, Internal/Surrogate Standard Mix@0.2 mg/mL in MeOH

4种替代物混标(对溴氟苯/二溴氟甲烷/1,2-二氯乙烷-d4/甲苯-d8),2 mg/mL, Surrogate Standard Mix,2.0 mg/mL in MeOH

EPA方法8260内标(氯苯-d5/1,4-二氟苯/1,4-二氯苯-d4/五氟苯), Internal Standard Mix,2.0 mg/mL in Methanol

EPA方法8260B-4种混标, Internal Standard Mix,2.0 mg/mL in Methanol

EPA方法8270B混标-亚硝胺混合物, Method 8270B- Nitrosamines Mix,2.0 mg/mL in CH2Cl2