Combination Ion Selective Electrodes

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

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...

Fast, precise measurements in aqueous solutions over a wide range of concentrations.

Fast, precise measurements in aqueous solutions over a wide range of concentrations.

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

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

Combination ISE for determination of sodium ion concentration

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.

For fluoride determinations.

For fluoride determinations.

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

Fast, precise measurements in aqueous solutions over a wide range of concentrations.

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

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