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ASTM International, 06/10/1998
Publisher: ASTM
File Format: PDF
$31.00$62.00
Published:10/06/1998
Pages:5
File Size:1 file , 80 KB
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1.1 Reduction of the variability associated with average color or color-difference measurements of object-color specimens is achieved by statistical analysis of the results of multiple measurements on a single specimen, or by measurement of multiple specimens, whichever is appropriate.
1.2 This practice provides a means for the determination of the number of measurements required to reduce the variablilty to a predetermined fraction of the relevant color or color-difference tolerances.
1.3 This practice is general in scope rather than specific as to instrument or material.
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