SS-ISO-13909-7 › Hard coal and coke - Mechanical sampling - Part 7: Methods for determining the precision of sampling, sample preparation and testing (ISO 13909-7:2016, IDT)
SS-ISO-13909-7
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2019 EDITION
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CURRENT
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In this part of ISO 13909, formulae are developed which link the variables that contribute to overall sampling precision. Methods are described for estimating overall precision and for deriving values for primary increment variance which can be used to modify the sampling scheme to change the precision. Methods for checking the variance of sample preparation and testing are also described.
To find similar documents by classification:
73.040 (Coals Including lignites Coal products, see 75.160.10)
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Designation Name
SS-ISO 13909-7:2019
Revision Level
2019 EDITION
Status
Current
Publication Date
April 4, 2019
Language(s)
English
Page Count
56
International Equivalent
ISO 13909-7:2016(IDT)