Potassium (K) Back Catalog number: 56119 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57071 Lutetium (Lu) Price on request 3493.10-100 Propham, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 122-42-9 Price on request 9425.8-K-ME Valproic acid-d4, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 87745-17-3 Price on request