Mass-Labelled PCDD/PCDF Solution Mixture, 1.2ml, nonane Back Catalog number: NK-LCS-T Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 81403 Chlorpyrifos, 1000µg/ml in Hexane 1ml Price on request 673649 Paraoxon-methyl, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 97751 VOC Standard Price on request