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

多方法校准套标, Mixed Calibration Standard Set

ICP多元素标准溶液IV, ICP multi-element standard solution IV,1000 μg/mL in 1 mol/L Nitric Acid

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

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

ICP元素分析21种混标, ICP multi-element standard solution XVI for MS,100 μg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid

GC/MC是19种元素混标, GC/MC Base/Neutrals-Mix 1 (GBN-1),100 μg/mL in MeOH

标准品, ASTM/EPA Gasoline Refinery Aromatics Calibration Kit

GC/MS 法分析芳烃用标准品盒(日常质控标准品)4组份内标配方, Gasoline Aromatics Kit

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