Method 1640 Tuning Standard

Clopyralid, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1702-17-6

4-Methyl-1-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 10240-08-1

Tris-p-tolyl phosphate-d21,100 µg/mL,isooctane,1mL,