EPA方法1653-4种混标, US EPA's Pulp, Paper and Paperboard cluster rule,10 mg/mL in Water

废水中14种多环芳烃混标, PAH Mix for Waste Water,Varied conc. in Acetonitrile

1,1,1-Trichlorotrifluoroethane (Freon 113a),0.2 mg/mL in MeOH

1,1,1-三氯三氟乙烷

3-甲基磺酰基-2,2',4',5,5'-五氯联苯, 3-Methylsulfonyl-2,2',4',5,5'-pentachlorobiphenyl,50 μg/ml in Isooctane

3-甲基磺酰基-2,3',4',5-四氯联苯, 3-Methylsulfonyl-2,3',4',5-tetrachlorobiphenyl,50 μg/mL in Isooctane

4-甲基磺酰基-2,2',5,5'-四氯联苯, 4-Methylsulfonyl-2,2',5,5'-tetrachlorobiphenyl,50 μg/ml in Isooctane

4-甲基磺酰基-2,2',4',5,5'-五氯联苯, 4-Methylsulfonyl-2,2',4',5,5'-pentachlorobiphenyl,50 μg/ml in Isooctane

三卤甲烷4种混标, Trihalomethanes Mix,Varied conc. in MeOH

VOC9种混标, Volatile Organic Contaminants-Mix 1,50 μg/mL in MeOH

标准品, Halowax 1001