2,2',3,3',4,4',6-Heptachlorobiphenyl (171)

Bis(2-Ethylhexyl)phthalate, 1mg/ml in MeOH, 1ml

Kojic acid, 100µg/mL, Solvent-dried down, Unit 1mL, # of units-1, Cas.no. 501-30-4

3,4,5-Tribromophenol, 1.2ml x 100ug/ml, toluene