Brilliant Black BN, certified, 0.25g

2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene

4,4'-Difluorobiphenyl, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 398-23-2

Isodrin, 100 µg/ml in Isooctane, 1ml