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

EPA方法200.7-8种金属校准混�? Multi-Method Calibration Std #4R,Varied conc. in 2-5% Nitric Acid

Chloral hydrate,1000 μg/mL in MeOH

水合三氯乙醛

ICP用离子校准标�? ICP multi-element standard solution VIII,100 μg/mL in 1 mol/L Nitric Acid

icp混标, ICP multi-element standard solution XII set

ICP金属混标, ICP multi-element standard solution XVI for MS,100 μg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid

ICP15种元素混�? ICP Multi-Element Standard Solution XXIV,Varied conc. in 1% Nitric acid

标准�? ASTM/EPA Gasoline Refinery Aromatics Calibration Standard,Varied conc. in Isooctane

ASTM D5769 3组份氯化内标混标, Chlorinated Internal Standards,Varied conc. by %w/w

ASTM-分离�?分辨�?套标 3种混�? Resolution Standard,Varied conc. by %w/w