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BS ISO 5724:2023 Jewellery and precious metals. Determination of very high purity gold. Difference method using ICP-MS >
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BS ISO 5724:2023 Jewellery and precious metals. Determination of very high purity gold. Difference method using ICP-MS, 2023
- National foreword
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 5 Reagents [Go to Page]
- 6 Apparatus [Go to Page]
- 7 Sampling
- 8 Procedure [Go to Page]
- 9 Calculation and expression of the results [Go to Page]
- 10 Test report
- Annex A (informative) Procedures for preparation of monoelemental standard stock solutions
- Annex B (informative) Measurement parameters [Go to Page]
