EPA Method 8270A - Analytes Mix #8

Ca, Mg, Na, K Mix

Perfluorooctane sulfonic acid, 100µg/mL in MeOH:Water, 1ml

12-Hydroxystearic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 106-14-9