EPA方法8440-3种套标/总回收率石油烃套标, Total Recoverable Petroleum HC Mix,Varied conc. in Tetrachloroethylene

标准品, Conventional Internal/Surrogate Std Evaluation Mix,200 μg/mL in MeOH

EPA方法200.7-4种金属校准混标, Multi-Method Calibration Std #5R,Varied conc. in 2-5% Nitric Acid

多方法校准套标, Multi-Method Calib.Std Set (86)

农药22种混标, List 1-Pesticide Standard,500 μg/mL in Methylene chloride

Te ICP standard suppl. to multi-element standard VI for MS,10 μg/mL in 10% Hydrochloric acid

碲ICP标准品

ICP16种元素混标, ICP multi-element standard solution IX,100 μg/mL in 1 mol/L Nitric Acid

汞 ICP检测标准品, Hg ICP standard suppl. to multi-element standard IX,100 μg/mL in 1 mol/L Nitric Acid

ICP7种元素混标, ICP multi-element standard solution XII,1000 μg/mL in 5% Hydrochloric acid, tr Nitric acid, tr Hydrofluoric acid

GF AAS16种混标溶液XVIII, GF AAS multi-element standard solution XVIII,Varied conc. in 2-5% Nitric Acid