ICP多元素标准溶液XII套标, ICP multi-element standard solution XII set

ICP元素分析21种混标, ICP multi-element standard solution XVI for MS,100 μg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid

GC/MC是19种元素混标, GC/MC Base/Neutrals-Mix 1 (GBN-1),100 μg/mL in MeOH

标准品, ASTM/EPA Gasoline Refinery Aromatics Calibration Kit

GC/MS 法分析芳烃用标准品盒(日常质控标准品)4组份内标配方, Gasoline Aromatics Kit

标准品, ASTM/EPA Gasoline Refinery Daily Quality Control Standard,Varied conc. by % w/w

标准品, ASTM/EPA Gasoline Refinery Oxygenates Calibration Standard,Varied conc. by weight in RFA Gasoline

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

十八种稀土元素混标(标准曲线), Calib. Std #1 Rare Earth Metals,100 μg/mL in 2-5% Nitric Acid

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