Sample Fortification Solution, 1.2ml, nonane Back Catalog number: EPA-8290SFS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1590.12-100-IO 4-Hydroxycarbazole, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 52602-39-8 Price on request 2369.6-K-IO Catechol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 120-80-9 Price on request 2824.10-50-ME Perfluoro-3,7-dimethyloctanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 172155-07-6 Price on request