Erbium (Er) Back Catalog number: 57068 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95789 PAH Standard Price on request 53017 ICP-AES - Verification I Standard 1 Price on request 8214.12-K-AN Isovaleraldehyde-PFBOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request