GFAA Mix Back Catalog number: 50103 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71674 1-Chloro-3-nitrobenzene, 1000µg/ml in MeOH, 1ml Price on request PCB-ST-A2 Native PCB Stock Solution , 1.2ml , nonane Price on request AC-AQ02-015 Aqueous ethanol control EtOH AQ (0.2g/L), 10x1,5ml Price on request