PIONA Calibration Standard (Wt%)

o,p'-Methoxychlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 30667-99-3

bis(2-Ethylhexyl) phthalate, 1000µg/ml in Acetone, 1ml

(+)-gamma-Tocopherol