Propaquizafop,100 μg/mL in Acetonitrile

4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone , 1000 μg/mL in MeOH

18种金属ICP混标, Custom ICP Standard @ 1000 μg/mL in Water-95% Nitric acid-5% Hydrofluoric acid-tr