标准品, AK102/103AA Surrogate Standard,1000 μg/mL in Dichloromethane

标准品, Stock Calibration Standard,10000 μg/mL in Methylene chloride

2,6-Diaminopyridine

2,6-二氨基吡啶

3-Chlorophenyl-4'-nitrophenyl ether ,1000 μg/mL in Isooctane

3-氯苯基-4-硝基苯酯

2,3,5-三氯苯基-4-硝基苯基醚, 2,3,5-Trichlorophenyl-4'-nitrophenyl ether ,1000 μg/mL in Isooctane

标准品, Electronic Cigarettes Nicotine Degradation Standard,500 μg/g in Propylene glycol:Glycerol (50:50)

萃取溶剂储备液(正癸烷20μl/L和正四十烷20mg/L)(HJ 1021-2019), Extraction Solvent Stock Solution,Varied conc. in Hexane

EPH芳香烃/PAH用标准品 可萃取的石油烃的测定(EPH), EPH Aromatic/PAH Standard,1000 μg/mL in Methylene chloride

Dibenzofuran

二苯并呋喃/氧芴

2-Methylimidazole

2-甲基咪唑