Acids Calibration Level 3 Back Catalog number: 94840 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684319 D3-Propoxur, 100µg/ml in Acetonitrile, 1ml Price on request 1127.17-100-T 3-Nitrobenzanthrone, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 17117-34-9 Price on request 677311 2,3,6-Trichlorophenol, 250mg Price on request