BS ISO 11724:2019 – TC:2020 Edition
$134.27
Tracked Changes. Solid mineral fuels. Determination of total fluorine in coal, coke and fly ash
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 38 |
This document specifies a method for the determination of total fluorine in coal, coke and fly ash.
From measurement of the total fluorine alone, it is not possible to estimate the amount of fluorine released to the environment by utilization of the coal and subsequent disposal of the ash residue.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 22 | National foreword |
| 26 | Foreword |
| 27 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Reagents |
| 28 | 5.3 Solutions for IC measurement 6 Apparatus |
| 29 | 6.6.2 Silica-tube furnace and accessories. |
| 30 | 6.7 ISE measurement apparatus |
| 31 | 7 Sample 7.1 Coal and coke 7.2 Fly ash 8 Procedure 8.1 Number of determinations 8.2 Preparation of test sample 8.3 Blank tests 8.4 Pyrohydrolysis procedure 8.4.1 Apparatus conditioning 8.4.2 Pyrohydrolysis |
| 32 | 8.4.3 Pyrohydrolysate processing 8.5 Solution measurement 8.5.1 General 8.5.2 Direct-comparison ISE method |
| 33 | 8.5.3 Analyte-addition ISE method 8.5.4 IC method 9 Calculations 9.1 General |
| 34 | 9.2 Direct-comparison ISE method |
| 35 | 9.3 Analyte-addition ISE method 9.4 IC method 10 Expression of result |
| 36 | 11 Precision 11.1 Repeatability limit 11.2 Reproducibility critical difference 12 Test report |
| 37 | Bibliography |
