ASTM D-4815 Calibration Mix #2A

U{13C20}-Ochratoxin A, 10µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.

4-Ethylthiophenol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4946-13-8

Semi-Volatile Standard