Chromium (Cr)

3,5-Difluoro-2,3',4,4',6-pentabromodiphenyl ether (2,3',4,4',6-Pentabromo-3,5-difluorodiphenyl ether), 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 886748-35-2

Pentachlorophenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 87-86-5

Internal Standard