EPA Method 8270A - Mix #11

Estradiol 17-Valerate-d12, 2,5mg

Sodium 1H,1H,2H,2H-perfluoro-1-[1,2-13C2]-hexane sulfonate (4:2), 50µg/ml in MeOH, 1,2ml

Biphenyl, 100 µg/ml, Cyclohexane, 5ml