Calibration Standard Kit Back Catalog number: 53089 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79581 Methyl paraoxon Price on request 2785.12-100-AN 3,3'-Dichlorobenzidine,100 µg/mL,acetonitrile,1mL Price on request 675271 Myclobutanil, 100mg Price on request