Hexavalent Chromium (Cr +6) Back Catalog number: 50739 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57065 Terbium (Tb) Price on request 2607.20-200-T 4,5,7,8,9,10,11,12-Octahydrobenzo[a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 73712-70-6 Price on request 681438 2,3,5,6-Tetrachlorophenol, 10.0 µg/ml, Cyclohexan Price on request