Xylem Analytics Blog

  • 1/31/2025
  • Dr. Andreas Eich

Ubbelohde viscometer: Precision in viscosity measurement

Ubbelohde viscometers are available in different versions, which are described in ISO 3105. Xylem manufactures SI Analytics® brand viscometers according to DIN 53000-1 and ASTM D445, including micro Ubbelohde viscometers for small sample volumes and special designs such as TC viscometers for automatic thermoelectric detection. These viscometers are named after Leo Ubbelohde, who applied for a patent for this type of viscometer in 1932. more

  • 1/14/2025
  • Dr. Markus Hoffmann

Introduction into Photometric Measurement

Photometric measurement methods have a long history and have been used for over a century. Its roots go back to the 19th century, when the first basic measurement methods were developed. Today, photometry is an integral part of many scientific disciplines, including biology, chemistry, engineering, and pharmacy. It is used in environmental analysis, medical diagnostics and quality control in industry and, along with pH measurement, is one of the most important measurement methods in analytics.more

  • 11/5/2024
  • Dr. Patrick Wolf

Continuous O2 Measurement in Drinking Water – calibration-free and low maintenance

Oxygen is not the most common parameter in continuous drinking water monitoring – although the right measurement technology can ease the burden of any additional work.more

  • 10/17/2024
  • Bellingham + Stanley

Saccharimeters: Determining Sugar Purity

What is Sugar Purity and how do we calculate it? Take a look at our new blog to find out.more

  • 9/4/2024
  • Bellingham + Stanley

Saccharimeter vs. Polarimeter: What is the difference?

The use of the word Saccharimeter is commonplace within the sugar industry but when does a Saccharimeter become a polarimeter and a polarimeter a Saccharimeter and are they interchangeable? more

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