Calibration Standard Kit Back Catalog number: 53089 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3145.18-K-CF 12-Hydroxystearic acid,1000 µg/mL,chloroform,1mL, Price on request DF-LCS-B200 Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml , nonane Price on request 0622.27-K-IO alpha alpha alpha (20R)-Cholestane, 1000µg/mL in Isooctane, 1ml Price on request