JEA方法醛的DNPH衍生物, JEA Method Aldehydes as DNPH Derivatives,100 μg/mL in Ethyl acetate

质量控制标准, Quality Control Standard 21,100 μg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid

卡尔费休法测定原油中的水份用标准品, Water content,1000 μg/g in Anisole

卡尔费休法测定原油中的水份用标准品, Water content,5000 μg/g in Anisole:Isopropanol (90:10)

5组分卤代烃混标, Purgeable C,0.2 mg/mL in MeOH

农药混标-16种, Pesticide Mixture,Varied conc. in MeOH

标准品, Aroclor Mix 2: 1221, 1242 &1254,0.2 mg/mL in Methanol

多氯联苯混标, DCMA-PCB Isomer Mixture,Varied conc. in Hexane

碱性/中性萃取物(Skinner 炼油残渣半挥发性标准品), Base/Neutrals Extractables,2.0 mg/mL in CH2Cl2

有机磷化合物混标B, Organophosphate-Mix B,Varied conc. in Isooctane