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Chemical Engineering

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Focus on Analyzers

| By Gerald Ondrey

Compact laser particle-size analyzer with extra wide range

The Analysette 22 NeXT laser particle-size analyzer (photo) comes in two versions: the Micro version, which covers the measurements from 0.5 to 1,500µm, and the Nano version, which has an extra-wide measurement range from 0.01 to 3,800µm. The NeXT Generation performs the entire measurement process in less than a minute using a flexible-to-program SOP (standard operating procedure). Results are reproducible, and additional parameters, such as temperature and pH during wet dispersion, can be recorded. A powerful, adjustable-speed centrifugal pump distributes the sample uniformly in the entire circuit for stable measurements. An optional ultrasonic box can be added to the sample circuit for samples that tend to agglomerate. — Fritsch GmbH, Idar-Oberstein, Germany