BS 7020-14:1988

Superseded

Analysis of iron ores Method for the determination of sodium and/or potassium contents: flame atomic absorption spectrometric method

Available format(s)

Hardcopy , PDF

Superseded date

15-08-1997

Language(s)

English

Published date

31-01-1989

Publisher

British Standards Institution

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Status	Superseded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	BS ISO 13313:2017 BS ISO 13312:2017 BS ISO 13313:1997 BS ISO 13312:1997

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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BS 7020-14:1988

Superseded

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory

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