ASTM D5441甲基叔丁基醚(MTBE)分离度测试混标(3组分), ASTM D5441 MtBE Resolution Test Mix,1.0 % w/w in MtBE

D-5442色谱柱分离度测试标准品-pak(2组分), D-5442 Column Resolution standard,Varied conc. in Cyclohexane

D-5480-95内标液标, D-5480-95 Internal Standard Solution,Equal weight per component

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

ASTM D-5580 日常质控标准品(不含内标), Daily Quality Control Standard without ISTD,Varied conc. by %w/w

汽油中芳烃校准曲线混标(不带内标), ASTM/EPA Gasoline Refinery Standards,Varied conc. by %w/w

标准品, Gasoline Refinery Aromatics Calibration Set

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

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

2,4-二异氰酸甲苯衍生物, 1-(2-Pyridyl)piperazine derivative of 2,4-TDI? ,1000 μg/mL in DMSO