Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Back Catalog number: NK-ST-A4 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 71933 4-(tert-Octyl)phenol, 1000µg/ml in MeOH, 1ml Price on request 680467 2-Ethyltoluene, 200 µg/ml, Methanol, 1ml Price on request 98557 Formaldehyde (5 ppm) Price on request