Cleanup Standard Spiking Solution, 1.2ml, nonane

Azinphos ethyl, 1000µg/ml in MeOH, 1ml

Perfluorohexane sulfonic acid, potassium salt, 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3871-99-6

m-Xylene