Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Back Catalog number: NK-ST-A4 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 677972 Chlorpyrifos-methyl, 100 µg/ml, Toluene, 1ml Price on request 682003 2,5-Dichlorohydroquinone, 50mg Price on request 93243 4-Ethylphenol Standard Price on request