Ammonium dihydrogen phosphate Modifier

Picene, 50 µg/mL in Toluene, 1ml

2H,2H,3H,3H-Perfluorononanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 27854-30-4

Monoethyl phthalate (mEP), 100mg