Xylem Analytics Blog

17 postsFilter
  • 10/2/2023
  • Dr. Andreas Eich

Use of Ubbelohde Master viscometers as a national standard in metrological institutes

National metrological institutes are responsible for the dissemination of the units of physical quantities. Known are especially the quantities mass, length and time: e.g. there are four atomic clocks in operation in Germany, at the Physikalisch-Technische Bundesanstalt in Brunswick (PTB), which provides the time standard for legal time in Germany. more

  • 8/30/2023
  • Stefan Kaus

Which pH electrode do I need for my acid-base titration application?

In an ideal world, there would be only one pH electrode for all their acid-base titrations. In this ideal world, it would not matter whether the solution to be titrated was aqueous or non-aqueous, had a high or low conductivity and whether only a few ml were to be titrated in a small vessel or 250 ml in a 400 ml beaker. One electrode would fit all of these applications.more

  • 5/2/2023
  • Dr. Klaus Reithmayer

Accuracy of pH measurement

Many users ask themselves about the accuracy of pH measurement. There are many influencing variables that are often unknown or not known exactly, even to the expert. What are the main influencing variables, and how can the accuracy be determined?more

  • 5/2/2023
  • Dr. Klaus Reithmayer

Operation, care and storage of pH electrodes

Special emphasis should be placed on the maintenance and care of sensitive electrodes to optimize their service life. To extend their life, and to get the best results from your pH electrodes, we recommend following our simple advice. Remember, the electrode must always be matched to the application to obtain the best possible results.more

  • 5/2/2023
  • Dr. Klaus Reithmayer

Which pH electrode do I need? What is crucial when selecting a pH electrode?

For successful pH measurement, the selection of the appropriate pH electrode is very important. The pH electrode influences the measurement result. But which pH electrode is best suited for which application and guarantees an optimal result for the pH measurement?more

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