COD Calibration Standard

Triadimefon, 100 µg/ml, Acetonitrile, 5ml

17 alpha(H),21ß(H)-30-Norhopane, 50µg/mL in Isooctane, 1ml

Perfluoro-n-[1,2,3,4-13C4]butanoic acid, 50µg/ml in MeOH, 1,2ml