Alternate Interferents B Back Catalog number: 52027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 83601 2,4-D n-butyl ester Price on request 677201 Nonylphenol (technical), 250mg Price on request DF-LCS-C200 Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request