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BS ISO 23345:2021

BS ISO 23345:2021

$102.76

Jewellery and precious metals. Non destructive precious metal fineness confirmation by ED-XRF

Published By Publication Date Number of Pages
BSI 2021 16
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This document describes a non-destructive method to verify (confirm) the precious metal fineness of finished and semifinished jewellery item(s) considered homogeneous by ED-XRF (energy dispersive X-ray fluorescence), including alloys according to ISO 9202 .

This document is not suitable for any coated items. WD-XRF (wavelength dispersive X-ray fluorescence) equipment cannot be used.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Principle
5 Apparatus
6 Procedure
6.1 Calibration
6.1.1 Calibration standards
11 6.1.2 Method calibration
6.2 Verification
6.2.1 Reference material
6.2.2 Method verification
12 6.3 Analysis
6.3.1 Sample preparation
6.3.2 Sample analysis
7 Calculation and expression of the results
7.1 Calculation
7.2 Uncertainty
13 7.3 Result interpretation
8 Test report
15 Bibliography

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BS ISO 23345:2021
$102.76