Diphenylamine, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 122-39-4

2-Phenylbenzimidazole-5-sulfonic acid, neat, Solvent-neat, Unit 10MG, # of units-16, Cas.no. 27503-81-7

Fluorene, 100 µg/ml, Acetonitrile, 1ml

o-Toluic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 118-90-1