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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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
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