12种醛酮类-DNPH混标,浓度以醛酮计：200ug/ml溶于乙腈(HJ 1153-2020), Custom Derivatized Carbonyl Mix 1 @ Varied Conc. In Acetonitrile

润滑油基础油中的总芳烃和饱和烃, Total Aromatics and Saturates in Lube Basestocks

碱性/中性萃取物,0.1 mg/mL 二氯甲烷溶液, Base/Neutral Extractables,0.1 mg/mL in Dichloromethane

标准品, Fluralaner,100 μg/mL in Acetonitrile

标准品, Polyoxin D,100 μg/mL in Water

标准品, Nevada Cannabis Pesticide Mix 1,100 μg/mL in Acetonitrile

2H-全氟-2-辛烯酸,100 μg/mL溶于甲醇, 标准品, 2H-Perfluoro-2-octenoic acid，100 μg/mL in Methanol

标准品, Nonafluoro-3,6-dioxaheptanoic acid,2 μg/mL in Methanol

标准品, Custom Impurities Mix 1 @ Varied Conc in Acetonitrile

乙腈中25种农残混标(组11-符合GB23200.121), Custom Pesticide Standard，100 μg/mL in Acetonitrile