Mini-Encyclopedia of Papermaking Wet-End
Part Two: Definitions and Concepts
When papermakers use the word "consistency" they usually mean the same thing as "solids" or "percent solids." Consistency is usually measured by collecting the slurry solids on a tared filter paper, drying the paper at 105 degrees Centigrade, and dividing the mass of the solids by the mass of the original slurry. Consistency also can be estimated by light scattering and depolarization measurements at one or more wavelengths; however, it is recommended that optical data be frequently recalibrated with representative samples of furnish or white water from the system of interest.
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