EPA方法8410-2种混标, 1-Fluoronaphthalene &p-Terphenyl-d14,2.0 mg/mL in CH2Cl2

EPA方法200.7-6种金属校准混标, Multi-Method Calibration Std #1,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, ICP multi-element standard solution VI set for MS

ICP单元素混标, ICP multi-element standard solution VIII set

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

ICP用离子校准标液, ICP multi-element standard solution XXI for MS,10 μg/mL in 2-5% Nitric Acid

标准品, ASTM/EPA Gasoline Refinery Aromatics Standard,Varied conc. by w/w/% in Isooctane

标准品, ASTM/EPA Gasoline Refinery Aromatics Calibration Set

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