QC Standard 1 Back Catalog number: 52084 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 13800-0037-1000IO Bis(2-ethylhexyl)-adipate, 1000µg/ml in Isooctane, 5ml Price on request 79293 Dieldrin Price on request 94730 3,3’-Dimethoxybenzidine Price on request