Ytterbium (Yb) Back Catalog number: 57070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C-090N 2,2',3,4',5-Pentachlorobiphenyl, 5mg Price on request DF-12379-S 1,2,3,7,9-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 96555 Amitriptyline Price on request