4-Chlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-4-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended DF-IS-D40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 1159.39-100-IO n-Nonatriacontane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7194-86-7 Price on request 71745 5-Methyl-2-furfural Price on request