12种醛酮类混标,2000 μg/mL溶于乙腈(HJ 1153-2020), Custom Carbonyl Mix 1 @2000 μg/mL in Acetonitrile

2,6-二乙基萘, 2,6-Diethylnaphthalene

2-羟基阿特拉津, 2-Hydroxyatrazine,100 μg/mL in Methanol:Phosphoric acid (99:1)

Custom Pesticide Standard @Varied Conc. in 90% Hexane 10% Toluene

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, Terbufos Oxon Sulfone,100 μg/mL in Acetonitrile

乙腈中29种农残混标(组2-符合GB23200.121), Custom Pesticide Standard，100 μg/mL in Acetonitrile

定制农药标准变浓的异辛烷50%甲苯50%, Custom Pesticide Standard-Varied Conc.Isooctane50%Toluene50%

定制16种 SVOC 混标, Custom SVOC Standard @ 1000 μg/mL in Hexane

21种挥发性有机物混标,30000ug/mL溶于甲醇, Custom VOC Stock Mix @ 30 mg/mL in PT Methanol