Perfluoro-n-octadecanoic acid, 1.2ml x 50ug/ml, methanol

Chloroform, 99+%,100 µg/mL,MeOH,1mL,

Palustric acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1945-53-5

Atrazine, 10.0 µg/ml, Acetonitrile, 10ml