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Thermo Scientific™ Orion™ Sodium Electrodes Available on GSA/VA Contract for Federal Government customers only.

Measure sodium in aqueous solution quickly, accurately and economically with Thermo Scientific™ Orion™ Sodium Electrodes.

Manufacturer:  Thermo Scientific™ 8611BNWP

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Catalog No. 13-642-245

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Measure sodium in aqueous solutions quickly, accurately and economically with Thermo Scientific™ Orion™ Sodium Electrodes. A unique redox internal system with a Thermo Scientific™ Orion™ ROSS™ electrode provides faster response, greater stability and accuracy than conventional sodium electrodes.


  • Sodium BNC electrodes have 1m cables
  • ROSS sodium electrode filling solution: 50mL
  • Sodium ionic strength adjustor (ISA): 475mL
  • Sodium known addition standard: 475mL
  • 1000ppm sodium standard with ISA: 475mL
  • 1000ppm sodium standard: 475mL
  • Sodium reconditioning solution: 475mL
  • Sodium electrode storage solution: 475mL
Description & Specifications


Sodium Combination Ion Selective Electrode
ROSS sodium combination electrode
0° to 100°C
Waterproof BNC
900010 or 900012 for low level Na+; ROSS sodium electrode filling solution: 50 mL
1 x 10-6 M to saturated 0.02 ppm to saturated
ISE Meters


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