ICP23种元素混标, ICP multi-element standard solution X,Varied conc. in 1 mol/L Nitric Acid

GF AAS16种混标溶液XVIII, GF AAS multi-element standard solution XVIII,Varied conc. in 2-5% Nitric Acid

ICP15种元素混标, ICP Multi-Element Standard Solution XXIV,Varied conc. in 1% Nitric acid

标准品, ASTM/EPA Gasoline Refinery Aromatics Calibration Standard,Varied conc. in Isooctane

GC/MS 法分析芳烃用标准品盒(日常质控标准品)调整之后, Gasoline Aromatics Kit

ASTM-分离度(分辨率)标准品 3种混标, Resolution Standard,Varied conc. by %w/w

ASTM D5599 EPA O-FID汽油定量分析校正曲线用套标(不带内标), EPA OFID Quantitative Calibration Set

EPA OFID-掺加溶液4种混标, EPA OFID Spiking Solution,Varied conc. by %w/w

标准品, Oxygenates Refinery Standard Daily QC/Internal Std,Varied conc. by %w/w

MISA-萃取物,酸-8种混标, Group 19-Extractables, Base Neutral,2.0 mg/mL in CH2Cl2