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BS ISO 7992:2022 – TC

BS ISO 7992:2022 – TC

$134.27

Tracked Changes. Iron ores for blast furnace feedstocks. Determination of reduction under load

Published By Publication Date Number of Pages
BSI 2022 44
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PDF Catalog

PDF Pages PDF Title
26 National foreword
30 Foreword
31 Introduction
33 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
34 5 Sampling, sample preparation and preparation of test portions
5.1 Sampling and sample preparation
5.2 Preparation of test portions
6 Apparatus
38 7 Test conditions
7.1 General
7.2 Reducing gas
7.2.1 Composition
7.2.2 Purity
7.2.3 Flow rate
7.3 Heating and cooling gas
39 7.4 Temperature of the test portion
7.5 Loading of the test portion
8 Procedure
8.1 Number of determinations for the test
8.2 Chemical analysis
8.3 Reduction
40 9 Expression of results
9.1 Preparation of the reduction curve
9.2 Calculation of the differential pressure at 80 % reduction (Δp80)
9.3 Calculation of the change in the height of the test bed at 80 % reduction (Δh80)
9.4 Repeatability and acceptance of test results
41 10 Test report
11 Verification
42 Annex A (normative) Flowsheet of the procedure for the acceptance of test results
43 Annex B (informative) Derivation of equation for reducibility

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BS ISO 7992:2022 - TC
$134.27