ICP MS Tuning Solution #4

Baclofen, 250mg

5-tert-Butyl-2-methylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5781-02-2

Quinoxyfen, 100 µg/ml, Ethyl acetate, 5ml