Semi-Volatile Mix #2

1-Hydroxyibuprofen, 100 µg/ml, Acetonitrile, 1ml

Metobromuron, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 3060-89-7

Naphthalene, 250mg