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Xylem Analytics Blog

81 postsFilter
  • 6/6/2025
  • Bellingham + Stanley

Calculating the Carbon-Type Composition of Insulating Oils of Petroleum Origin in accordance with ASTM D 2140

The measurement of refractive index is commonplace within petrochemical and associated industries and its determination is cited in many technical documents and standard test methods such as ASTM D 2140 that describes “Standard Practice for Calculating Carbon-Type Composition of Insulating Oils of Petroleum Origin.”more

  • 4/11/2025
  • Sara Homuth

Fun at work with the new WTW Drinking Water Panel

Discover the new WTW Drinking Water Panel – an innovative solution that is also fun to use! With its modular design and flexible construction, you can put together your own individual measuring system and adapt it to your needs.more

  • 4/2/2025
  • Dr. Klaus Reithmayer

FAQ pH measurement

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

  • 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

  • 3/19/2025
  • Dr. Andreas Eich

Life span of the calibration of glass capillary viscometers

This article is about glass capillary viscometers. These are used to measure the viscosity of Newtonian fluids. Important standards in this context are ASTM D445, the new DIN 53000 and ISO 3104.more

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