Combination Ion Selective Electrodes

Measure free fluoride ions in aqueous solutions quickly, simply, accurately, and economically with Thermo Scientific™ Orion™ Fluoride Electrodes.

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

Easily and reliably analyze free chloride ions in aqueous solutions. Provides quick, accurate and economical measurements.

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

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, and greater stability and accuracy than conventional sodium electrodes.

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

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

Measure potassium ions in aqueous solutions simply, accurately and economically with Thermo Scientific™ Orion™ Potassium Electrodes.

Make quick, simple, accurate and economical measurements of silver and sulfide ions in aqueous solutions with Thermo Scientific™ Orion™ Silver/Sulfide Electrodes. These electrodes have dual electrode-measuring silver and sulfide ions in aqueous solutions, and perform low-level cyanide and halide...

Thermo Scientific™ Orion™ Triode 3-in-1 pH/Automatic Temperature Compensation Electrodes come with a built-in ATC and are engineered with an epoxy body for ruggedness. The 9179BN and 9179BNMD are low-maintenance gel-filled electrodes, best suited for educational institutes where minimal maintenance...

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

Thermo Scientific™ Orion™ Silver Billet Electrodes allow for an accurate determination of potentiometric halides. These electrodes are a combination of a silver billet-indicating electrode, along with a silver billet half-cell.

Measure cadmium ions in aqueous solutions quickly, simply and economically with the Thermo Scientific™ Orion™ Cadmium Electrodes.

Measure total residual chlorine quickly and accurately with Thermo Scientific™ Orion™ Chlorine Electrodes. All forms of total residual chlorine (free chlorine, hypochlorites and chlorine bound to nitrogenous compounds) are measured.

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