BS ISO 5416:2006
Current
The latest, up-to-date edition.
Direct reduced iron. Determination of metallic iron. Bromine-methanol titrimetric method
Hardcopy , PDF
English
28-02-2009
Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling and samples
6.1 Laboratory sample
6.2 Preparation of test samples
7 Procedure
7.1 Number of determinations
7.2 Test portion
7.3 Blank test and check test
7.4 Determination of hygroscopic moisture content
7.5 Determination
8 Expression of results
8.1 Calculation of mass fraction of metallic iron
8.2 General treatment of results
9 Test report
Annex A (normative) - Flowsheet of the procedure for the
acceptance of analytical values for test samples
Annex B (informative) - Derivation of repeatability and
permissible tolerance equations
Annex C (informative) - Precision data obtained by international
analytical trials
Annex D (informative) - Determination of degree of metallization
Annex E (informative) - Decontamination of the waste solutions
from the analysis
Describes a titrimetric method for the determination of the mass fraction of metallic iron in reduced iron ores (direct reduced iron: DRI).
| Committee |
W/-
|
| DevelopmentNote |
Supersedes 95/713818 DC. (07/2005) Supersedes 05/30116666 DC. (03/2009) Reviewed and confirmed by BSI, February 2016. (02/2016)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard specifies a titrimetric method for the determination of the mass fraction of metallic iron in reduced iron ores (direct reduced iron: DRI).
This method is applicable to mass fractions of metallic iron between 15%and 95%in DRI.
NOTE The term “metallic iron” means those forms of iron not bonded to oxygen or not present as pyrite.
| Standards | Relationship |
| ISO 5416:2006 | Identical |
| ISO 10835:2007 | Direct reduced iron and hot briquetted iron — Sampling and sample preparation |
| ISO 385:2005 | Laboratory glassware — Burettes |
| ISO 1042:1998 | Laboratory glassware — One-mark volumetric flasks |
| ISO 648:2008 | Laboratory glassware — Single-volume pipettes |
| ISO 2596:2006 | Iron ores — Determination of hygroscopic moisture in analytical samples — Gravimetric, Karl Fischer and mass-loss methods |
| ISO 2597-1:2006 | Iron ores — Determination of total iron content — Part 1: Titrimetric method after tin(II) chloride reduction |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
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