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Xylem Analytics Blog

10 postsFilter
  • 3/31/2025
  • Bellingham + Stanley

How to use a refractometer to measure alcohol content

The alcohol content of a beer, wine and cider may easily be established by combining the results of two simple test measurements, that of a refractometer (RI-Zeiss) and a hydrometer (SG). Calculation of results is by way of either a paper lookup table supplied with the refractometer or by a simple Internet calculator that can be accessed via a networked PC or web enabled mobile phone.more

  • 3/3/2025
  • Dr. Andreas Eich

Frequently Asked Questions about Viscometry

In this area we answer to possible questions, that may occur to you during installation and operation of our instruments. We also respected common questions.more

  • 2/24/2025
  • Dr. Lisa Wild, Nicolas Kaltwasser

Comparing Chlorine Measurement Methods: Colorimetric DPD Analyzer vs. Amperometric Electrode

Measuring chlorine levels in water is essential for various applications such as swimming pools, industrial processes and drinking water treatment. Two primary methods used are DPD colorimetric and amperometric electrode. Both methods offer accurate results but differ fundamentally in their approach to chlorine determination. This blog post explores the differences between these two methods and discusses their strengths and limitations.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

  • 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

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