多环芳香烃混合标准品, PAH Additions to Method 610,Varied conc. in AcCN

2-Chloronaphthalene,2.0 mg/mL in Hexane

2-氯萘

EPA方法8140套标, Organo Phosphorous Pesticides

2,4,5-涕丙酸甲酯, 2,4,5-TP methyl ester,0.2 mg/mL in Hexane

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

标准品

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, Methyl Derivative Solutions Set

标准品, Internal Standard VOA Mix,2.0 mg/mL in Methanol

挥发物11种混标, Appendix IX Volatiles Mix,Varied conc. in MeOH