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ASTM-D7410:2007 Edition

ASTM-D7410:2007 Edition

$35.75

D7410-07 Standard Practice for Qualification of Cotton Classification Instruments for Cotton Marketing

Published By Publication Date Number of Pages
ASTM 2007 4
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1.1 This practice provides two options for the qualification of cotton classification instruments: option 1, newly installed cotton classification instrumentation, or option 2, annual verification of cotton classification instrumentation using evaluation cottons, trash evaluation images, and color evaluation fiber samples for the fiber measurements of micronaire reading, upper half mean length, uniformity index, breaking tenacity (strength), Rd (color reflectance), +b (color yellowness), percent area (trash), and particle count (trash).

1.2 This practice covers the technical requirements to validate the consistency of data reported by a cotton classification instrument.

1.2.1 The practice can be used when new equipment is installed or it can be used to perform annual verification for consistency of reported data.

1.2.2 The practice can be used to qualify cotton classification instruments using evaluation cottons, trash evaluation images, and color evaluation fiber samples. These data can be used for fiber measurements of micronaire reading, upper half mean length, uniformity index, strength, color reflectance, and trash.

1.3 The values stated in English units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
2 Summary of Practice
Significance and Use
Apparatus and Materials
Conditioning
Calibration
Procedure
3 Procedure
TABLE 1
TABLE 2
TABLE 3
TABLE 4
4 TABLE 5

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