Gold (Au) Back Catalog number: 58079 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51215 ASTM D1319 Calibration Standard Price on request 96434 SDWA Carbon disulfide, MIBK, Naphthalene Cal 2 Price on request 3415.6-100-DC beta-HCH (BHC), 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 319-85-7 Price on request