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A Guideline to Haze and How to Measure it

Anton Paar
21 Feb 2019

Haze, also called turbidity, is not a well-defined physical attribute like temperature or the density of a liquid, but is always expressed with reference to a well-defined standard. In this application note, get an insight into this phenomenon and realize its meaning, why and how it is measured and learn more about specific applications turbidity analysis is relevant for.

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HazeQC ME

Anton Paar

A solution for the measurement of turbidity in liquids, the HazeQC ME turbidity measuring module, is provided by Anton Paar as part of a modular measuring system. The approved ratio method with measurement at three angles (transmission 0°, scattered light at 25° and 90°) is used to prevent the influence of particle size on the turbidity value. The measurement is carried out at a wavelength of 650 nm ±30 nm (MEBAK- and EBC-compliant) in a cell with adjustable constant temperature. This turbidity measuring module expands Anton Paar's product portfolio and adds a further important parameter for analyzing liquid samples - providing the same high quality expected of Anton Paar products.

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A Guideline to Haze and How to Measure it