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Future Quality Measurements

James L. Knowlton


 
ABSTRACT

The Cotton Program currently reports seven HVI (High Volume Instrument) fiber quality measurements in the cotton classification process. These measurements are micronaire, length, length uniformity index, strength, Rd color, +b color and percent area of trash. All seven of these measurements have been part of the Cotton Program's HVI classification system since before the Cotton Program went to 100% HVI testing in 1991. Given the potential of additional quality measurements for improving cotton marketing and utilization, the Cotton Program continually evaluates and considers proposed quality measurements that are being developed. In recent years, the Cotton Program has evaluated proposed measurements for short fiber, stickiness and elongation from the cotton classification perspective. In addition to proposed measurements, current measurements are continually evaluated for potential improvement. Changes in HVI color grade determination have resulted in improved agreement between the HVI and the Universal Color Grade Standards. Also, measurement information found within length and length uniformity index measurements has resulted in a promising method for determining short fiber content.



Reprinted from Proceedings of the 2000 Beltwide Cotton Conferences pp. 1579 - 1581
©National Cotton Council, Memphis TN

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Document last modified Saturday, Jun 17 2000