石油混合标准样品, Naphtha Standard Mix

ASTM D5307 烷属烃定性分析标准品/ 7种正构烷烃混标(C3-C9), D-5307 Qualitative Paraffins Standard,Varied conc. by weight

甲基叔丁基醚(MTBE)污染物标准品,低浓度, ASTM D5441 MtBE Contaminant Std. Low Conc.,0.1 % w/w in MtBE

ASTM D5442 保留时间混合标准品(等量), ASTM D5442 Retention Time Standard Mix 1,Equal 8.5 %w/w

标准品, Ethanol and Methanol in Fuels-Level Four,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.

标准品, Gasoline Refinery Aromatics Calibration Set

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

2,4-二异氰酸甲苯衍生物, 1-(2-Pyridyl)piperazine derivative of 2,4-TDI ,2840 μg/mL in DMSO

标准品, Trace Impurities in Monocyclic Aromatic Hydrocarbons,Varied concentrations by percent w/w