Take reproducible ISE measurements with Thermo Scientific™ Orion™ ISE Calibration Standards. Sodium Known Addition Kit, for use with Sodium Ion selective electrodes 3 x 475 mL of 1 M NaCl standard with ISA and 1 x 475 mL ISA Standards are 1 pint (475mL) bottles

Sodium standard for use with Ion selective electrodes from ammonia to water hardness. 1000 ppm concentration 475 mL bottle

Sodium standard for use with Sodium Ion selective electrodes. 475 mL bottle 10 ppm concentration

Protect critical systems and get continuous online monitoring of reactive silica with the Thermo Scientific™ Orion™ 2230XP silica analyzer. This analyzer provides online performance and is designed to lower reagent consumption and reduce the total cost of ownership.

Sodium Lauryl Sulfate (SLS) Standard for use with surfactant ion selective electrode. 60 mL bottle