2,3,4,6-Tetrachlorophenol-PFB derivative Back Catalog number: 71581 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended NK-ST-B2 Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 59531 Metals Mix #1 Price on request 675296 Benzene, 100 µg/ml, Methanol, 5ml Price on request