2,2-Bis(4-hydroxyphenyl)butane, 1.2ml x 50ug/ml, methanol

ß-Ionone, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 79-77-6

525.2 Calibration Standard

EDDP perchlorate,1000 µg/mL (as pyrrolinium) ,MeOH,1mL,