Hafnium (Hf) Back Catalog number: 57072 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-2346-S 2,3,4,6-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 71838 2,2’-Dinitrobiphenyl Price on request 2942.9-100-IO Endosulfan-II-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 203716-99-8 Price on request