Erbium (Er) Back Catalog number: 58068 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70639 Dicloran Price on request 15900-2671D-100CY alpha-HCH-d6, 100µg/ml in Cyclohexane, 1ml Price on request 92201 EPA Method 8310 PAH Standard Price on request