Calibration Standard Kit Back Catalog number: 52089 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2104.30-100-IO Hydroxyhopanone, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1981-81-3 Price on request 79897 Naphthalene Price on request X9095 Dinoseb Price on request