ASTM D 5501-94Mix #3

4,4'-Dihydroxydiphenylmethane, 1.2ml x 50ug/ml, methanol

CLP Calibration Std. I

Diphenyltolyl phosphate - purified techn. mixture of o-, m-, p-tolyl isomers,50 µg/mL,toluene,1mL,