Metolachlor ethyl sulphonic acid sodium salt, 100µg/ml in MeOH, 1ml

Quintiofos, 100 µg/ml, Ethyl acetate, 1ml

Mineral Oil Heavy (without additives, DIN H53) (EN9377-2), certified, 1ml

1H,1H,2H,2H-Perfluorooctane sulfonic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 27619-97-2