Calibration Standard Mix 1

4-Hydroxyphenylacetic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 156-38-7

Flufenacet-ethane sulfonic acid (ESA) sodium, 100µg/mL in Acetonitrile, 1ml

Butachlor OA, 100 µg/ml, Acetonitrile, 1ml