废水中7种多环芳烃混标, PAH Mix for Waste Water,Varied conc. in Acetonitrile

氯氟碳氢化合物套标, Refrigerants Standard Set

2,2-Dichloro-1,1,1-trifluoroethane (Freon #123),0.2 mg/mL in MeOH

2,2-二氯-1,1,1-三氟乙烷

3-甲基磺酰基-2,2',3',4',5,6-六氯联苯, 3-Methylsulfonyl-2,2',3',4',5,6-hexachlorobiphenyl,50 μg/ml in Isooctane

3-甲基磺酰基-2,2',4',5,5',6-六氯联苯, 3-Methylsulfonyl-2,2',4',5,5',6-hexachlorobiphenyl,50 μg/ml in Isooctane

4-甲基磺酰基-2,2',4',5,6五氯联苯, 4-Methylsulfonyl-2,2',4',5,6-pentachlorobiphenyl,50 μg/ml in Isooctane

4-甲基磺酰基-2,2',3,4',5',6-六氯联苯, 4-Methylsulfonyl-2,2',3,4',5',6-hexachlorobiphenyl,50 μg/ml in Isooctane

挥发物11种混标, Volatiles-Mix 1,50 μg/mL in Methanol

多氯化萘1000(工业混合物), Halowax 1000

残留溶剂标准2级混合物C, Residual Solvent Standard Class 2 Mix C,Varied conc. in DMSO