WS Sodium (Na) Back Catalog number: 54149 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 0876.16-500-IO 1,3-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16664-45-2 Price on request 57190 Thorium (Th) Price on request XA16950100AC Simazine D10, 100µg/ml in Acetone, 1ml Price on request