BS ISO 11258:2015
Current
The latest, up-to-date edition.
Iron ores for shaft direct-reduction feedstocks. Determination of the reducibility index, final degree of reduction and degree of metallization
Hardcopy , PDF
English
30-09-2015
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Sampling, sample preparation, and preparation
of test portions
6 Apparatus
7 Test conditions
8 Procedure
9 Expression of results
10 Test report
11 Verification
Annex A (normative) - Flowsheet of the procedure for
the acceptance of test results
Annex B (informative) - Derivation of formula for
reducibility
Annex C (informative) - Derivation of formula for
degree of metallization from R90
Bibliography
Defines a method to provide a relative measure for evaluating the extent to and ease to which oxygen can be removed from iron ores, when reduced under conditions resembling those prevailing in shaft direct-reduction processes.
| Committee |
W/-
|
| DevelopmentNote |
Supersedes 05/30132742 DC. (12/2007) Supersedes 13/30265136 DC. (09/2015)
|
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 11258:2015 | Identical |
| ISO 11323:2010 | Iron ore and direct reduced iron — Vocabulary |
| ISO 3082:2017 | Iron ores — Sampling and sample preparation procedures |
| ISO 5416:2006 | Direct reduced iron — Determination of metallic iron — Bromine-methanol titrimetric method |
| ISO 9686:2006 | Direct reduced iron — Determination of carbon and/or sulfur — High-frequency combustion method with infrared measurement |
| ISO 2597-2:2015 | Iron ores — Determination of total iron content — Part 2: Titrimetric methods after titanium(III) chloride reduction |
| ISO 2597-1:2006 | Iron ores — Determination of total iron content — Part 1: Titrimetric method after tin(II) chloride reduction |
| ISO 9035:1989 | Iron ores — Determination of acid-soluble iron(II) content — Titrimetric method |
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