Perform your ISE measurements with confidence

No matter which ion you are measuring, you rely on your solutions for accurate and reproducible ISE measurements. We offer a comprehensive portfolio of ion selective electrode calibration standards, ionic strength adjusters, reagents, and fill solutions for your ISE measurement needs.

Perform quick and accurate measurements by using high quality Thermo Scientific™ Orion™ Ion Specific Electrodes and reagents for ion specific measurement. We offer a comprehensive portfolio of ion selective electrode calibration standards, ionic strength adjusters, reagents, and fill solutions for your ISE measurement needs. All the consumables you need to measure fluoride or ammonia in water and wastewater are available with one part number.

Simplify nitrate measurements in a wide variety of samples, even in samples that contain common nitrate interferences. The Thermo Scientific™ Orion™ ISE Nitrate Analysis Test Kit uses ammonia electrodes for measurement and takes advantage of simple chemistries.