Combination Ion Selective Electrodes
Combination Ion Selective Electrodes
Thermo Scientific™ Orion™ Fluoride Electrodes
Quickly, simply, accurately and economically measure free fluoride ions in aqueous solutions with these fluoride electrodes.

Thermo Scientific™ Orion™ Cyanide Electrodes
Measure cyanide ions in aqueous solutions quickly, simply, accurately and economically with these cyanide electrodes.
Cole Parmer Oakton Ion-Selective Electrode, Fluoride
Oakton Ion-Selective Electrode, Fluoride is fast and accurate and does not require an external reference - they're easier to use than separate sensing and reference half-cell electrodes.
Fisherbrand™ Ion Selective Electrode
Ion selective combination pH electrode with a reproducibility better than 2%.
Fisherbrand™ Combined Ion-Selective Electrode
Converts activity of a specific ion dissolved in a solution into an electrical potential. Fisherbrand™ Combined Ion-Selective Electrode is compatible with all pH/mV meters or ionometers.
Fisherbrand™ accumet™ Solid State Combination ISEs, Mercury-Free: Cyanide
For bromide, chloride, copper, cyanide, fluoride, lead and silver/sulfide determinations
Fisherbrand™ accumet™ Polymer Membrane Combination ISEs, Mercury-Free: Potassium
Fast, precise measurements of calcium, nitrate and potassium ion in aqueous solutions over a wide range of concentrations
Fisherbrand™ accumet™ Solid State Combination ISEs, Mercury-Free: Cupric
For bromide, chloride, copper, cyanide, fluoride, lead and silver/sulfide determinations
Fisherbrand™ accumet™ Glass Membrane Sodium Combination ISE
Combination ISE for determination of sodium ion concentration
Thermo Scientific™ Orion™ Iodide Electrodes
Get fast and stable readings using these iodide electrodes.
Fisherbrand™ accumet™ Solid State Combination ISEs, Mercury-Free: Silver/Sulfide
For bromide, chloride, copper, cyanide, fluoride, lead and silver/sulfide determinations
Fisherbrand™ Ion Selective Electrode
Combined ion-sensitive bromide electrode with solid membrane interchangeable flat surface is ideally delivered with membrane, electrolytic solution and gasket.

Thermo Scientific™ Orion™ Ammonia Gas Sensing ISE Electrodes
Get quick, reliable and accurate measurements of dissolved ammonia in aqueous solutions with the Thermo Scientific™ Orion™ Ammonia Gas Sensing ISE Electrode.

Thermo Scientific™ Orion™ High-Performance Ammonia Electrode
Obtain a more linear response at lower levels and improved response time in ammonia measurements with the Thermo Scientific™ Orion™ High-Performance Ammonia Electrode.

Thermo Scientific™ Orion™ Silver/Sulfide Electrodes
Make quick, simple, accurate and economical measurement of silver and sulfide ions in aqueous solutions with these electrodes.
Fisherbrand™ accumet™ Polymer Membrane Combination ISEs, Mercury-Free: Calcium
Fast, precise measurements of calcium, nitrate and potassium ion in aqueous solutions over a wide range of concentrations
Fisherbrand™ accumet™ Gas-Sensing Combination ISEs
For ammonia and carbon dioxide analyses; tough, chemical-resistant body; permanently bonded membrane/cap assembly—no difficult user assembly required
Fisherbrand™ accumet™ Polymer Membrane Combination ISEs, Mercury-Free: Nitrate
Fast, precise measurements of calcium, nitrate and potassium ion in aqueous solutions over a wide range of concentrations
Thermo Scientific™ Orion™ Cupric Electrodes
Measure cupric ions in aqueous solutions quickly, simply, accurately and economically with these cupric electrodes.
Thermo Scientific™ Orion™ Silver Billet Electrodes
Acquire an accurate determination of potentiometric halides with dual electrodes using these silver billet electrodes.
Thermo Scientific™ Orion™ Sodium Electrodes
Measure sodium in aqueous solution quickly, accurately and economically with these sodium electrodes.
Thermo Scientific™ Orion™ Bromide Electrodes
Measure bromide ions in aqueous solutions quickly, simply, accurately and economically with these bromide electrodes.
Fisherbrand™ Ion Selective Electrode Iodide
Combined ion-sensitive iodide electrode with solid membrane interchangeable flat surface is ideally delivered with membrane, electrolytic solution and gasket.
Fisherbrand™ Fluoride Ion Selective Electrodes
This unique combined ion-sensitive electrode with a solid membrane interchangeable flat surface, with an analysis time generally less than one minute, is rarely necessary to have filtering or distillation sample preparation steps.