Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Back Catalog number: DF-LCS-C40 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 57333 Arsenic (As) Price on request 676295 Isopyrazam, 100 µg/ml, Acetonitrile, 1ml Price on request 92765 Semi-Volatile Standard Price on request