Internal standard 2, 2000g/ml in MeOH, 1ml Back Catalog number: 30068 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 2674.15-50-IO 3,3',5,5'-Tetrabromobisphenol A, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 79-94-7 Price on request DF-1347-S 1,3,4,7-Tetrachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 50131 ICP-MS Mix Price on request