Interference Standard 3 Back Catalog number: 52050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9346.11-10MG Phenazone-d3 (N-methyl-d3) Price on request NK-LCS-T Mass-Labelled PCDD/PCDF Solution Mixture, 1.2ml, nonane Price on request 66112 PCB No. 112, 100ug/ml in Isooctane, 1ml Price on request