Erbium (Er) Back Catalog number: 58068 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90397 Surrogate Standard Price on request 18000-1495-100ME1 O-Desmethylvenlafaxin, 100µg/ml in MeOH, 1ml Price on request 673542 Diazinon, 100 µg/ml, Ethyl acetate, 5ml Price on request