Thermo Orion Standard Ammonia Electrode

Thermo Orion Standard Ammonia Electrode


Orion standard combination ammonia electrode, waterproof BNC connector, 1m cable


  • Reliable results at mid to high ammonia levels
  • Gas-sensing electrode used to measure the ammonium ion after conversion to ammonia
  • Extra membranes and electrode filling solution
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The Thermo Orion standard ammonia electrode allows fast, simple, economical and accurate measurements of dissolved ammonia in aqueous solutions. This gas-sensing electrode can also be used to measure the ammonium ion after conversion to ammonia, or organic nitrogen after Kjeldahl digestion of the sample. Sample color and turbidity do not affect the measurement, and samples need not be distilled. Almost all anions, cations, and dissolved species, other than volatile amines, do not interfere.

The standard ammonia electrode comes with forty loose membranes; one cap for loose membranes; tweezers for handling membranes; one white dispensing cap; 60 mL electrode filling solution; and instruction manual.
Notable Specifications:
  • Construction: Gas sensing combination
  • Measurement Range: 1.0 to 5 x 10-7 M / 17,000 to 0.01 ppm
  • Temp Range: 0 to 50 C
  • Required Reference Electrode: Included
  • Reference Filling Solution: 951202
  • Calibration Standards: 0.1 M NH4Cl (951006)
  • Required ISA: 951211
What's Included:
  • (1) Standard ammonia electrode
  • (40) Loose membranes
  • (1) Reusable membrane cap
  • (1) 60mL bottle of electrode filling solution (951202)
  • (1) Spout cap
  • (1) Tweezers
  • (1) 1m cable
Image Part # Product Description Price Stock Order
Thermo Orion Standard Ammonia Electrode 9512BNWP Orion standard combination ammonia electrode, waterproof BNC connector, 1m cable
Usually ships in 3-5 days
Image Part # Product Description Price Stock Order
Thermo Orion Ammonia Standard Electrode Fill Solution 951202 Orion ammonia standard electrode fill solution, 60mL
Usually ships in 3-5 days
Thermo Orion Ammonia Standard 951006 Orion ammonia standard, 0.1 M NH4Cl, 475 mL
Usually ships in 3-5 days
Thermo Orion Ammonia ISA with Blue Dye 951211 Orion ammonia pH-adjusting ISA with pH-indicating blue dye, 475mL
Usually ships in 3-5 days
Thermo Orion Standard Ammonia Electrode Membranes 951204 Orion standard gas sensing ammonia electrode membranes, pack of 20
Usually ships in 3-5 days
Thermo Orion Ammonia Electrode Membrane Caps 951205 Orion bonded membrane caps for standard ammonia electrode, pack of 3
Usually ships in 3-5 days

Questions & Answers

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Is this Electrode compatible with Mettler Toledo DL50?
The Thermo Orion Gas Sensing Ammonia Electrode is only compatible if an adaptor cable is used. The Mettler Toledo DL50 requires sensors with a LEMO connector, while this electrode has a BNC connector. Adaptor cables to make this electrode compatible are available here: http://www.fondriest.com/thermo-orion-electrode-adapter-cables-1.htm .

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