ASTM D3333-07

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:D3333–07
Standard Practice for
Sampling Manufactured Staple Fibers, Sliver, or Tow for
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Testing
This standard is issued under the fixed designation D3333; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Terminology
1.1 This practice covers a procedure for the division of 3.1 For all terminology relating to D13.58, Yarns and
shipments of manufactured staple fiber, sliver (or top) or tow Fibers, refer to Terminology D4849.
into lots and the sampling of such lots for testing. 3.2 For all other terminology related to textiles, refer to
Terminology D123.
NOTE 1—For sampling yarns, refer to Practice D2258.
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NOTE 2—This practice differs from BISFA rules for staple fibers in the
4. Summary of Practice
lot sampling, by the elimination of separate sampling of outer versus inner
4.1 Instructions are given for dividing containers into lots,
container areas, in the reduction of number of strata from 6 to 5, and by
the elimination of compositing to obtain a single laboratory sample for the for determining the number of containers to be selected from
lot when testing properties which do not depend on as-received moisture
each lot as the lot sample, and for determining the number of
content.
containers taken from the lot sample as a laboratory sample.
1.2 This standard does not purport to address all of the See Practice D4271.
safety concerns, if any, associated with its use. It is the 4.2 Separate laboratory samples are taken for commercial
responsibility of the user of this standard to establish appro- weight measurement and for other testing, for example, physi-
priate safety and health practices and determine the applica- cal or chemical tests.
bility of regulatory limitations prior to use. 4.3 The manner of preparing laboratory sampling units for
commercial weight, and the manner of collecting laboratory
2. Referenced Documents
sampling units for other testing are based on the following:
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2.1 ASTM Standards: 4.3.1 Present knowledge of the systematic variation of
D123 Terminology Relating to Textiles moisture within the container, and
D2258 Practice for Sampling Yarn for Testing
4.3.2 The variability of the properties for which the practice
D4271 Practice for Writing Statements on Sampling in Test is to be used.
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Methods for Textiles
5. Significance and Use
D4849 Terminology Related to Yarns and Fibers
5.1 Assigning a value to any property of the material in a
container or in a lot, consignment, or delivery involves a
1 measurement process that includes both sampling and testing
ThispracticeisunderthejurisdictionofASTMCommitteeD13onTextilesand
is the direct responsibility of Subcommittee D13.58 on Yarns and Fibers. procedures. The correctness of the value assigned depends
Current edition approved Jan. 1, 2007. Published January 2007. Originally
upon the variability due to testing. Even when the variability
approved in 1974. Last previous edition approved in 2001 as D3333 – 01. DOI:
due to testing is minimized by carefully developed procedures,
10.1520/D3333-07.
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correct and consistent estimates of the true value of the
BISFA Internationally Agreed Methods for Testing Polyamide Staple Fibers,
1974 edition, BISFA Internationally Agreed Methods for Testing Polyester Staple
propertyarepossibleonlywhenthesamplingprocedureavoids
Fibers, 1972 edition, and BISFA Rules for Testing Regenerated Cellulose and
systematic bias, minimizes variations due to sampling, and
Acetate Staple Fibers, 1970 edition, available from the Bureau International pour la
provides a laboratory sample of adequate size.
Standardisation de la Rayonne et des Fibres Synthetiques.
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5.2 This practice may not give the most efficient sampling
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
plan that might be devised in special situations but it does
Standards volume information, refer to the standard’s Document Summary page on
present a general procedure that gives satisfactory precision
the ASTM website.
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with an economical amount of sampling and one which does
Withdrawn. The last approved version of this historical standard is referenced
on www.astm.org. not require elaborate statistical computation based on previous
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D3333–07
knowledge of the amount of variation between lot samples, designated by drawing numbers from a recepticle in which the
between l
...