Erbium (Er) Back Catalog number: 58068 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11774.12-100-IO 2,3,3',4,4',5,5',6-Octachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 71226 m-Terphenyl Price on request 2013.12-100-IO 2,3,3',4,4',5-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 38380-08-4 Price on request