Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane

3,3',4,5'-Tetrabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

trans-1,2-Cyclohexanedicarboxylic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 2305-32-0

Corn flour - Trace elements, 50g