Qualitative Reference Petroleum Set, 3 x 1ml

O,O-Diethyl dithiophosphate-13C4, ammonium salt,100 µg acid/mL,MeOH,1mL,

Tricresylphosphate, certified, 0.25g

Fluazifop-methyl, 100 µg/ml, Acetonitrile, 5ml