Measure cyanide ions in aqueous solutions quickly, simply, accurately and economically with the Thermo Scientific™ Orion™ Cyanide Electrodes.

Acquire an accurate determination of potentiometric halides with dual electrodes using Thermo Scientific™ Orion™ Silver Billet Electrodes.

Efficiently measure ORP and temperature simultaneously without a separate reference electrode in a single instance.

Measure free chloride in the range of 1 x 10^-5M to 1M with the Thermo Scientific™ Orion™ Chloride Electrodes.

Measure nitrate in aqueous solutions simply, accurately and economically with Thermo Scientific™ Orion™ Nitrate Electrodes.

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.

Combination ISE for determination of sodium ion concentration

Measure potassium in aqueous solutions simply, accurately and economically with these electrodes.

For bromide, chloride, copper, cyanide, fluoride, lead and silver/sulfide determinations

Measure calcium in aqueous solutions simply, accurately and economically with the Thermo Scientific™ Orion™ Calcium Electrodes.

Quickly, simply, accurately and economically measure free fluoride ions in aqueous solutions with the combination Thermo Scientific™ Orion™ Fluoride Electrodes.

Measure cadmium ions in aqueous solutions quickly, simply, accurately and economically.

Measure bromide ions in aqueous solutions quickly, simply, accurately and economically with Thermo Scientific™ Orion™ Bromide Electrodes.

Get fast and stable readings using Thermo Scientific™ Orion™ Iodide Electrodes.

Typical applications include water/wastewater, soil, dairy, meats, tomato/vegetable products.

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

Combined ion-sensitive bromide electrode with solid membrane interchangeable flat surface is ideally delivered with membrane, electrolytic solution and gasket.

For ammonia and carbon dioxide analyses; tough, chemical-resistant body; permanently bonded membrane/cap assembly—no difficult user assembly required

Measure carbon dioxide, carbonate and bicarbonate in aqueous solutions quickly and accurately with the Thermo Scientific™ Orion™ 9502BNWP Carbon Dioxide Electrode.

Fast, precise measurements of calcium, nitrate and potassium ion in aqueous solutions over a wide range of concentrations

Make quick, simple, accurate and economical measurement of silver and sulfide ions in aqueous solutions with these electrodes.

Measure total residual chlorine quickly and accurately with these Chlorine electrodes.

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

Ion selective perchlorate electrode with a reproducibility greater than 2%.

Measure lead ions in aqueous solutions quickly, simply, accurately and economically with Thermo Scientific™ Orion™ Lead Electrodes.

Combined ion-sensitive iodide electrode with solid membrane interchangeable flat surface is ideally delivered with membrane, electrolytic solution and gasket.

Ideal for samples containing TRIS buffers, sulfides and more. Thermo Scientific™ Eutech pH Electrode includes easy-to-operated fill hole sleeve mechanism.

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.