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BS ISO 13548:2025 Copper and zinc sulfide concentrates — Determination of fluorine content by sodium hydroxide fusion and fluoride ion selective electrode detection >
BS ISO 13548:2025 Copper and zinc sulfide concentrates — Determination of fluorine content by sodium hydroxide fusion and fluoride ion selective electrode detection, 2025
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- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 5 Reagents
- 6 Apparatus
- 7 Instrument operating parameters
- 8 Sampling and sample preparation [Go to Page]
- 9 Procedure [Go to Page]
- 10 Calculations
- 11 Procedure for obtaining the final result
- 12 Test report
- 13 Precision [Go to Page]
- Annex A (normative) Procedure for obtaining the final results
- Annex B (informative) Procedure for the preparation and determination of the mass of a predried test portion
- Annex C (informative) Trueness test
- Bibliography [Go to Page]