Cation Mix #2

4-n-Octylphenol, 100 µg/ml, Acetone, 1ml

Metolachlor-ESA, 100µg/ml in Acetonitrile, 1ml

Phenylbutazon, 1000ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 50-33-9