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Standard
ISO 1171
Fifth edition
Coal and coke — Determination of ash
2024-06
Charbon et coke — Détermination des cendres
Reference number
ISO 1171:2024(en) © ISO 2024
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ISO 1171:2024(en)
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© ISO 2024 – All rights reserved
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ISO 1171:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Apparatus . 1
6 Preparation of test sample . 2
7 Procedure . 2
7.1 General .2
7.2 Ash determination.2
8 Expression of results . 2
9 Precision . 3
9.1 Repeatability limit .3
9.2 Reproducibility limit .3
10 Test report . 3
Bibliography . 4
© ISO
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