ICP HM Check Std B Back Catalog number: 50789 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DS-1000 Mass-Labelled PCDD Solution/Mixture, 1.2ml, nonane Price on request 79530 Octyl aldehyde Price on request 673562 beta-Endosulfan, 100 µg/ml, Ethyl acetate, 5ml Price on request