BS 7020-14:1988
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Analysis of iron ores Method for the determination of sodium and/or potassium contents: flame atomic absorption spectrometric method
Hardcopy , PDF
15-08-1997
English
31-01-1989
National foreword
Committees responsible
Method
1. Scope and field of application
2. References
3. Principle
4. Reagents
5. Apparatus
6. Sampling and samples
7. Procedure
8. Expression of results
9. Test report
Annexes
A. Flowsheet of the procedure for the acceptance of
analytical values for test samples
B. Derivation of repeatability and permissible
tolerance equations
C. Precision data obtained by international analytical
trials
Table
Dilution guide for test solution
Figures
1. Least-squares fit of precision against X for sodium
2. Least-squares fit of precision against X for
potassium
Applicable to sodium or potassium contents in the range 0.002 to 1.0% (m/m) in natural iron ores, and iron ore concentrates and agglomerates, including sinter products.
| Committee |
W/-
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ISO 6831:1986 | Identical |
| ISO 3082:2017 | Iron ores — Sampling and sample preparation procedures |
| ISO 1042:1998 | Laboratory glassware — One-mark volumetric flasks |
| ISO 648:2008 | Laboratory glassware — Single-volume pipettes |
| ISO 7764:2006 | Iron ores Preparation of predried test samples for chemical analysis |
| ISO 3083:1986 | Iron ores — Preparation of samples — Manual method |
| ISO 3081:1986 | Iron ores — Increment sampling — Manual method |
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