Erbium (Er) Back Catalog number: 57068 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8616.11-K-ME 3-Chloropropane-1,2-di(heptafluoro)butyrate, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 54518 Tetramethyl Ammonium Hydroxide Price on request 2070.7-K-IP 4-Chloro-2-methylphenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 1570-64-5 Price on request