BS 7020-5.2:1993
Current
The latest, up-to-date edition.
Analysis of iron ores. Methods for the determination of silicon content Reduced molybdosilicate spectrophotometric method
Hardcopy , PDF
English
15-10-1993
Committees responsible
National foreword
Method
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling and samples
7 Procedure
8 Expression of results
9 Test report
Annexes
A (normative) Flowsheet of the procedure for the
acceptance of analytical values for test samples
B (informative) Derivation of repeatability and
permissible tolerance equations
C (informative) Precision data obtained by
international analytical trials
Tables
1 Aliquots
B.1 Silicon contents of test samples
Figure
C.1 Least-squares fit of precision against X for
silicon
Describes a method for the determination of silicon contents between 0.1% (m/m) and 5.0% (m/m) in iron ores.
| Committee |
W/-
|
| DevelopmentNote |
Also numbered as ISO 2598-2. Supersedes 91/35107 DC. (04/2005) Reviewed and confirmed by BSI, October 2014. (09/2014)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This part of ISO 2598 specifies a reduced molybdosilicate spectrophotometric method for the determination of the silicon content of iron ores.
This method is applicable to silicon contents between 0,1 % (m/m) and 5,0 % (m/m) in natural iron ores, iron ore concentrates and agglomerates, including sinter products, especially for ores containing fluorine.
The fluorine content of the sample does not affect the determination.
| BS 5660-1:1987 | Methods of sampling iron ores Manual method of increment sampling |
| BS 5660-2:1987 | Methods of sampling iron ores Mechanical method of increment sampling and sample preparation |
| BS 7020-1:1988 | Analysis of iron ores Method for the preparation of pre-dried test samples for chemical analysis |
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