Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Back Catalog number: NK-ST-B2 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 71229 Clopyralid methyl derivative Price on request 70385 Ethylenethiourea, 1000µg/ml in Ethylacetate, 1ml Price on request 675581 Thiofanox, 100 µg/ml, Acetonitrile, 5ml Price on request