933954

ISO 13909-7:2001

Hard coal and coke - Mechanical sampling - Part 7: Methods for determining the precision of sampling, sample preparation and testing

standard by International Organization for Standardization , 12/15/2001

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Full Description

In this part of ISO 13909, equations are developed which link the variables which 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.

 

Product Details

Published:
12/15/2001
Number of Pages:
40
File Size:
1 file , 1.3 MB
Same As:
ISO 13909-7:2001
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. ISO 13909-7:2016


    Hard coal and coke - Mechanical sampling - Part 7: Methods for determining the precision of sampling, sample preparation and testing

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  2. ISO 13909-7:2001

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    Hard coal and coke - Mechanical sampling - Part 7: Methods for determining the precision of sampling, sample preparation and testing

    • Historical Version