1,4,5,6,7,7-Hexachlorobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid,50 µg/mL,toluene,1mL,

2,3-Dibromo-7,8-dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Methyl tetracosanoate (Methyl lignocerate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2442-49-1

Sodium bis(1H,1H,2H,2H-perfluorodecyl)phosphate, 1.2ml x 50ug/ml, methanol