PSA-C18-Mix 2

tert-Butylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 98-06-6

2,4,6,8-Tetrachloro[13C12]dibenzothiophene, 1.2ml x 50ug/ml, toluene

Ofloxacin, 100 µg/ml, Methanol, 1ml