Demeton-S-methyl-sulfoxide, certified, 25mg

n-Pentyltri-n-butyltin,1000 µg/mL,isooctane,1mL

Folpet, 100 µg/ml, Ethyl acetate, 5ml

Sodium 1H,1H,2H,2H-perfluoro(1,2-13C2)dodecanesulfonate (10:2), 50µg/ml in MeOH, 1,2ml