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ASTM D2525-13
Standard Practice for Sampling Wool for Moisture (Withdrawn 2022)
Automatically translated name:
Standard Practice for Sampling Wool for Moisture
STANDARD published on 1.7.2013
The information about the standard:
Designation standards: ASTM D2525-13
Note: WITHDRAWN
Publication date standards: 1.7.2013
SKU: NS-20664
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM D2525-13 :
Keywords:
moisture content, sampling, statistics, wool, ICS Number Code 59.060.10 (Natural fibres)
Additional information
| Significance and Use | ||||||||||||
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5.1 This recommended practice furnishes directions for the sampling of wool of the various forms indicated in Section 5.2 This recommended practice requires that a deliberate act of randomization be performed so that all potential sampling units have approximately the same chance of being taken and no sampling unit is deprived of its chance of being taken. 5.3 In any case where insufficient information about the variability of the sampling units within the lot is available, directions are given for calculating confidence limits for the sample mean so that a correct probability statement can still be made. |
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| 1. Scope | ||||||||||||
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1.1 This practice covers the design of a sampling plan to be used to obtain samples for the determination of the moisture content of grease wool, scoured wool, carded wool, garnetted wool, wool top and intermediate products, and rovings. 1.2 Directions are given for the designation of sampling units, calculation of the number of sampling units required to achieve a preselected precision and confidence level or, alternatively, for calculating the confidence limits for the mean based on the variability of the sample tested. 1.3 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.
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| 2. Referenced Documents | ||||||||||||
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