EPA Method 525 - Tuning Standard

Acetates Mix

Perfluoro-4-ethylcyclohexane sulfonic acid, potassium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-24-0

DNPH - Mix 4, 10µg/ml in Acetonitrile, 5ml