2,5-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Perfluoro-4-methylheptane sulfonate, 200ul x 1.00ug/ml, methanol

Diquat dibromide monohydrate, 100 µg/ml, Water,

Di-p-tolylphenyl phosphate,100 µg/mL,isooctane,1mL,