Hafnium (Hf) Back Catalog number: 58072 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679976 Pyrasulfotole, 100 µg/ml, Acetonitrile, 5ml Price on request 685071 epsilon-HCH, 10.0 µg/ml, Cyclohexane, 1ml Price on request 70998 2-Methylbutane Price on request