Sodium (Na) Back Catalog number: 50380 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 58019 Potassium (K) Price on request 95508 Additional Analytes Mix Price on request 1087.18-100-TX5 Benz[a]anthracene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1718-53-2 Price on request