EPA Method 300.0 Anions Method B

DNPH - Mix 4, 100µg/ml in Acetonitrile, 5ml

Fenamiphos-sulfone, 100 µg/ml, Toluene, 5ml

(±)-Sotalol-d6 hydrochloride (dimethyl-d6),100 µg/mL,MeOH,1mL,