多氯联苯混标#2, PCB Congeners Mix #2 (Canadian RM) ,Varied conc. in Isooctane

中型及重型石油馏分, Brownfield Regulation for Medium &Heavy Petroleum Fraction

PCB混标#6 18种, PCB Congener Mix #6 ,10.0 μg/mL in Isooctane

多氯联苯209种混标9支*1ML,浓度10ppm, Congener Calibration Set

标准品, Dioxin-Like PCB Congener Level 5,1 ng/mL in Nonane

标准品, Dioxin-Like PCB Congener Level 11,100 ng/mL in Nonane

EPA方法8240B/8260A混标, Purgeable Organic Matrix Spiking Soln.,0.25 mg/mL in MeOH

碱/中性和酸性套标, Base/Neutral &Acid Matrix Stds.

8270方法半挥发物基体峰混标(11种组分), Method 8270 Semi-Volatile Matrix Spike,Varied conc. in MeOH

校正核对化合物套标(CLP-011A&CLP-011B), Calibration Check Compounds