ASTM D5442 石油蜡定量分析标准品/ 正构16种烷烃(C12-60偶数), D-5442 Quantitative Wax Standard,Varied conc. in Cyclohexane

ASTM D5442 保留时间混合标准品(偶数烷烃16组C12-C60), ASTM D5442 Retention Time Standard Mix 2,Equal 6.5 %w/w

标准品, Ethanol and Methanol in Fuels-Level Four,Varied conc. by weight

ASTM 5580校准标准品(含2-己酮内标), ASTM 5580 Aromatics Calibration Set (with IS)

氮校准套标, Nitrogen Calibration Set

标准品, 6 Level ASTM/EPA Gasoline Refinery Standards

标准品, Daily Quality Control Standard,Varied conc. by weight

标准品, Daily Quality Control Standard,Varied conc. by weight

标准品, Daily Quality Control Standard,Varied conc. by %w/w

ASTM D-5836(1,2-PP 法)测定二异氰酸酯套标, Determination of Diisocyanates ASTM D-5836 Set