四氯乙烯标准曲线, Tetrachloroethene Calibration Curve

挥发混合物标准样�? Volatiles Mix 2-Calibration Set

杀虫剂混标22, Pesticide Mix 22,10 μg/mL in AcCN

杀虫剂混标27, Pesticide Mix 27,1.0 μg/mL in Isooctane

多氯联苯6种混�?28�?2�?01�?38�?53�?80), PCB Congener Content Evaluation Mix 1,20 μg/mL in n-Hexane

多氯联苯8种混�? Congener Calibration Mix #21,10 μg/mL in Isooctane

Calibration Mix #2,100 μg/mL in 2-5% Nitric Acid

多元素校准标准混标＃2A, Multi-element Calibration Standard #2A,10 μg/mL in 2-5% Nitric Acid

环境金属混标, Environmental Spike Mix,Varied conc. in 2-5% Nitric Acid, tr Hydrofluoric acid

环境初始校准验证标准�? Environmetal Initial Calibration Verification,Varied conc. in 2-5% Nitric Acid