Shop All ISE and Multiparameter Buffers and Reagents

Orion™ ISE Calibration Standards (Thermo Scientific™)

Take reproducible ISE measurements with Thermo Scientific™ Orion™ ISE Calibration Standards. For use with ion selective electrodes from ammonia to water hardness.

Orion™ ISE Ionic Strength Adjustors (ISA) and Special Reagents (Thermo Scientific™)

Take more accurate and reproducible ISE measurements with Thermo Scientific™ Orion™ ISE Ionic Strength Adjustors (ISA) and Special Reagents.

Orion™ ISE Filling Solutions (Thermo Scientific™)

Enhance the performance and extend the life of your ion selective electrodes.

Orion™ Total Alkalinity Test Kit (Thermo Scientific™)

Save time by eliminating additional equipment set-up, titrations and calculations with this total alkalinity test kit that provides two-step direct measurement.

Orion™ ISE Surfactant Analysis Solutions (Thermo Scientific™)

Use Thermo Scientific™ Orion™ ISE Surfactant Analysis Solutions for titrations with surfactant ion selective electrodes (ISE).

Orion™ ORP Standards for Redox/ORP Electrodes (Thermo Scientific™)

Measure ORP simply and accurately with these standards, stable for up to a year (unopened).