Water - Reagent Grade ASTM Type I

1,6-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 575-43-9

Theophylline, 100µg/ml in MeOH, 5ml

2,3-Benzanthracene, 50µg/ml in Toluene, 1ml