EPA方法8090-4种混标, Isophorone &Nitroaromatics Mix,2.0 mg/mL in MeOH

多环芳烃24种混标, PAH Additions to Method 610,Varied conc. in AcCN

EPA方法8120-10种混标, Chlorinated Hydrocarbons,2.0 mg/mL in Hexane

EPA方法8121-22种混标, Chlorinated Hydrocarbons by GC,Varied conc. in Hexane

EPA方法8140套标, Organo Phosphorous Pesticides

EPA方法8141B-9种混标, Standard for Halogen Specific Detector,0.2 mg/mL in Hexane

2,4-D methyl ester,0.2 mg/mL in Hexane

2,4-二氯苯氧乙酸甲酯

2,4-Dichlorophenylacetic acid (DCAA) ,2.0 μg/mL in MeOH

标准品

标准品, Phenoxy-Herbicide Mix-Level 1,Varied conc. in Isooctane

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