二缩三乙二醇二硝酸酯标准�? TEGDN,100 μg/mL in Acetonitrile:Methanol (50:50)

2-Methoxy-5-nitroaniline,100 μg/mL in Methanol

Method 8330-液相爆炸物标准品, Method 8330-Explosives by HPLC,0.1 mg/mL in MeOH:AcCN(50:50)

EPA方法8440-3种混�?总回收率石油烃混�? Total Recoverable Petroleum HC Mix,Varied conc. in Tetrachloroethylene

金属添加剂标准品/5种金属混�? Metals Additives Standard,5000 μg/g in 75 cSt Base oil

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

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

ICP29种元素混�? ICP Multi-element Standard Solution VI,Varied conc. in 1 mol/L Nitric Acid, tr Hydrofluoric acid

icp元素混标 �?3组分, ICP multi-element standard solution X,Varied conc. in 1 mol/L Nitric Acid

ICP多元素标准溶液XIII套标, ICP multi-element standard solution XIII set