4种替代物混标(对溴氟苯/二溴氟甲�?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�?1,4-二氯�?d4/五氟�?, Internal Standard Mix,2.0 mg/mL in Methanol

EPA方法8260B-4种混�? 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

附录lX半挥发物标准套装, Appendix lX Semi-Volatiles Standard Set

ASL方法8270C/D-10种混�? Additions to Method 8270,2.0 mg/mL in CH2Cl2

ASL方法8270C/D-13种混�? S-V by Capillary Column GC/MS,1000 μg/mL in Dichloromethane:Methanol (90:10)

方法8270B 校准套标, Method 8270B Calibration Kit

EPA方法8270-6种混�? Method 8270-Surrogate Standard,Varied conc. in Dichloromethane:Methanol (80:20)

18种组分PAH混标, Polynuclear Aromatic Hydrocarbons (HPLC),0.5 mg/mL in Acetonitrile