1-Naphthalenesulfonic acid, 25g

Totarol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 511-15-9

Trifluralin, 100µg/ml in Acetone, 5ml

2-Perfluorobutyl ethanol (4:2), 1.2ml x 50ug/ml, methanol