EPA方法200.7-5种金属校准混标, Mixed Calibration Standard 6R,Varied conc. in 2-5% Nitric Acid, tr Hydrofluoric acid

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

ICP40种元素混标, ICP multi-element standard solution VIII,100 μg/mL in 1 mol/L Nitric Acid

碲ICP标准品, Te ICP standard suppl. to multi-element standard VIII,100 μg/mL in 10% Hydrochloric acid

汞ICP标准多元素XIII标准, Hg ICP standard suppl. to multi-element standard XIII,5 μg/mL in 2-5% Nitric Acid

方法625-GC/MS20种元素混标, Method 625-GC/MS Acids Mix (GAC),100 μg/mL in MeOH

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

GC/MS 法分析芳烃用标准品盒(日常质控标准品)原配方, Gasoline Aromatics Kit

标准品, ASTM/EPA Gasoline Refinery Daily Quality Control Standard,Varied conc. by %w/w

ASTM D5580-5种配气相位校准混标(不含内标), D-5580 Valve Timing Solution w/o Internal Standard,Varied conc. by weight