Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Back Catalog number: NK-ST-B2 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 66056 2,3,3',4'-Tetrachlorobiphenyl (56) Price on request 690172 m-Phenylenediamine, 100mg Price on request N-11004-1G Acetal (1,1-Diethoxyethane), 1g Price on request