Calibration Standard Kit Back Catalog number: 52089 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA16658500ME Pyrimethanil, 100µg/mL in Methanol, 1ml Price on request 83556 Methyl isopropyl ketone-DNPH Price on request 676526 2,4-Dinitrophenol, 250mg Price on request