810007-ROSS-Filling-Solution-230x195

pH Electrode and Reference Electrode Fill Solutions

Use Thermo Scientific™ Orion™ pH Electrode Filling Solution with pH electrodes and reference electrodes. Packaged as five 2 oz. (5 x 60mL) bottles.

Orion Solutions, Standards and Buffers Overview   

Download Brochure

Quick links:

  • Electrode Storage & Cleaning Solutions
  • Resources

pH Electrode and Reference Electrode Fill Solutions

Ensure the proper performance and function from your electrode by using our specially formulated fill solutions

SolutionDescriptionUse With Electrodes
810007ROSS electrode fill solution, 3 M KCl, 5 x 60 mLROSS Ultra, ROSS and Micro ROSS Electrodes
800300800500U8102BN8102BNUWP, 8103BN, 8103BNUWP, 8104BN, 8104BNUWP, 8115BN, 8115BNUWP, 8135BN, 8135BNUWP, 815600, 8156BNUWP, 8157BNU, 8157BNUMD, 8157UWMMD, 8163BNWP, 8165BNWP, 8172BNWP, 8175BNWP, 8220BNWP, 8302BNUMD
900011Silver Chloride pH electrode fill solution, 4 M KCl with Ag/AgCl, 5 x 60 mLStandard, Specialty, Single Junction Refillable Green, Micro and ORP Electrodes
9102BNWP, 9103BNWP, 9104BNWP, 9156BNWP, 9157BN, 9157BNMD, 9162BNWP, 9165BNWP, 9172BNWP, 9180BNMD, 9678BNWP, 9778BNWP, 9780SC, 9810BN, 9826BN, 9863BN, GS9156BNWP
900004Silver Chloride pH electrode (low level) fill solution, 2 M KCl with Ag/AgCl,
5 x 60 mL
Standard, Specialty, Single Junction Refillable Green, Micro and ORP Electrodes (low ionic strength samples)
9102BNWP, 9103BNWP, 9104BNWP, 9156BNWP, 9157BN, 9157BNMD, 9162BNWP, 9165BNWP, 9172BNWP, 9180BN, 9180BNMD, 9678BNWP, 9778BNWP, 9780SC, 9810BN, 9826BN, 9863BN, GS9156BNWP
910008-WADouble junction pH
electrode fill solution, 3 M KCl, 5 x 60 mL
Double Junction, Double Junction Refillable Green and KNIpHE Electrodes
9102DJWP, 9110DJWP, 9120APWP, GD9156BNWP
510011No Cal pH electrode fill solution, 5 x 60 mLNo Cal Electrodes
5107BNMD, 5107NC
610001pHuture pH electrode fill solution, 5 x 60 mLpHuture Electrodes
900001Single junction reference electrode fill solution, equitransferent solution with Ag/AgCl, 5 x 60 mLSingle Junction Reference Electrode
900100
900002Double junction reference electrode inner fill solution, equitransferent solution with Ag/AgCl, 5 x 60 mLDouble Junction Reference Electrode
900200
900003Double junction reference electrode outer fill solution, 10 % KNO3, 5 x 60 mLDouble Junction Reference Electrode
900200

Benchtop pH Meters

Benchtop pH measurement

The ideal choice for dedicated pH testing in water, process, research, and QA/QC samples. The Thermo Scientific portfolio of pH Meters offer a range from simple & economical models to powerful & sophisticated pH meters, to help you analyze your samples with confidence.

Learn more

Portable pH Meters

Portable pH measurement

Take your pH and ORP measurements to the field without sacrificing accuracy and reliability. Our portable meters are rugged and waterproof, and provide the dependable performance that your demanding applications require.
 

Learn more

Electrodes and Probes 

Electrodes for pH measurement

An extensive assortment of quality pH electrodes and sensors are available in a variety of body materials, body styles, fill types, reference styles, and junctions to meet the needs of your sample measurements.

 

Learn more

Standards and Solutions

Standards and solutions for pH measurement

We offer pH buffers, pH electrode storage solutions, electrode cleaning solutions, lab buffer kits, and electrode filling solutions for your pH measurement needs. Our pH buffers are NIST-traceable with certificates of analysis available for each solution batch.

Learn more

 

Support

Knowledge Base: Certificates of Analysis and SDS for Orion, ROSS, AQUAfast, AquaMate, and AquaSensors products.

Orion Meters Software and Upgrades
Thermo Scientific Orion benchtop and portable meters are designed to help deliver accurate, consistent results, day after day. Boost productivity by upgrading your software today.

Find your software

Style Sheet for Global Design System