Calibration Standard Mix 3 Back Catalog number: 53035 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683379 Tylosin tartrate, 250mg Price on request EN-1948CSAV Calibration Kit; Alternate Volume, 6 x 200ul, nonane Price on request DF-IS-C40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request