Thorium (Th) Back Catalog number: 59878 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2128.12-K-IOX10 Arochlor 1254, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11097-69-1 Price on request 678966 Pyrene, 50mg Price on request 50687 Potassium (K) Price on request