Phenol, 100 µg/ml, Methanol, 1ml

2,5-Dichlorohydroquinone, 50mg

Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml

Bolstar, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 35400-43-2