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

弗罗里硅土的墨盒质量控制标准. 混合, Florisil Cartridge Quality Control Std. Mix ,2000 μg/mL total hydrocarbons in Hexane

修正EPH 芳香烃核对混标, Revised EPH Aromatic Check Mix,1000 μg/mL in Dichloromethane

枪的监测标准, Gun Surveillance Standard,Varied conc. in AcCN