Erbium (Er) Back Catalog number: 57068 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9135 Parathion methyl Price on request 673562 beta-Endosulfan, 100 µg/ml, Ethyl acetate, 5ml Price on request 678718 Fenpropidin, 100 µg/ml, Acetonitrile, 1ml Price on request