Internal Standard Solution, 1.2ml, nonane Back Catalog number: EPA-23IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 2376.10-K-IP 1-Naphthol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 90-15-3 Price on request 2153.11-K-IO 1-Methyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1559-81-5 Price on request 34481 1,2-Difluorotetrachloroethane Price on request