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TAPPI T 1215 sp-12 The determination of instrumental color differences
standard by Technical Association of the Pulp and Paper Industry, 2012
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Scope:This standard practice provides a general introduction to the use of color differences and a list of the most widelyused equations to obtain them. Color differences can be used 1) as a guide to establishing color tolerances in the production of pulp, paper, and paperboard, 2) for the determination of buying and selling tolerances of color, 3) to provide a method of determining the adequacy of color matches.