ASTM D5453 中硫套标, D-5453 Mid Level Sulfur Calibration curve

ASTM 5580 芳烃标准品2, ASTM 5580 Aromatics Calibration Solution,Varied conc. by %w/w

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 Standard,Varied conc. by %w/w

标准品, Gasoline Refinery Aromatics Calibration Set

ASTM/EPA日常质控标准品(不带内标), Daily Quality Control Standard,Varied conc. by weight

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

1-(2-吡啶基)哌嗪衍生物的2,6-TDI, 1-(2-Pyridyl)piperazine derivative of 2,6-TDI ,2840 μg/mL in DMSO

乙腈中的呋喃类化合物萃取标准品, Furanic Compound Extraction Standard,1000 μg/mL in Acetonitrile

1,2,4,6,7,9/1,2,4,6,8,9-六氯二苯并-对-二恶英, 1,2,4,6,7,9/1,2,4,6,8,9-Hexachlorodibenzo-p-dioxin