标准品, AK102/103AA Retention Time Standard,50.0 μg/mL in Dichloromethane

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

2,3-Naphthalenediol,100 μg/mL in AcCN

2,3-二羟基萘

2,6-Diaminopyridine,100 μg/mL in Methanol

2,6-二氨基吡啶

2,4二溴-4 硝基苯基醚, 2,4-Dibromophenyl-4'-nitrophenyl ether ,1000 μg/mL in Isooctane

3,4-二氯苯基-4-硝基苯基醚, 3,4-Dichlorophenyl-4'-nitrophenyl ether ,1000 μg/mL in Isooctane

2,3,6-三氯苯基-4-硝基苯基醚, 2,3,6-Trichlorophenyl-4'-nitrophenyl ether ,1000 μg/mL in Isooctane

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

标准品, EN 14105 Biofuel Glyceride Solution III,Varied conc. in Pyridine

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