Total DMRQA (Kit) - Pre 2006 Back Catalog number: 55074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 83538 Acetophenone-DNPH Price on request 675842 Pirimicarb-desmethyl-formamido, 100 µg/ml, Aceton Price on request 94455 n-Hydrocarbon Standard - EPH Price on request