ISO 728:2021
Coke — Size analysis by sieving
This document specifies procedures for the size analysis of coke by manual and/or low impact mechanical sieving, using square or round holed sieves of aperture sizes between 125 mm and 0,5 mm. Guidance on handling the sampling and sizing of coke products greater than 125 mm is given in Annex A.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Sampling and preparation of sizing sample
7 Procedures
8 Expression of results for all sizes
9 Determination of mean coke size from results in Table 2
9.1 Calculation of mean coke size
9.2 Calculation of coke mean size from data in Table 3
10 Precision of the method
10.1 Repeatability
10.2 Reproducibility
11 Test report
Annex A (informative) Guide to sizing coke products above 125 mm
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Sampling and preparation of sizing sample
7 Procedures
8 Expression of results for all sizes
9 Determination of mean coke size from results in Table 2
9.1 Calculation of mean coke size
9.2 Calculation of coke mean size from data in Table 3
10 Precision of the method
10.1 Repeatability
10.2 Reproducibility
11 Test report
Annex A (informative) Guide to sizing coke products above 125 mm