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ISO 23345:2021
M00002973
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ISO 23345:2021 Jewellery and precious metals - Non destructive precious metal fineness confirmation by ED-XRF
standard by International Organization for Standardization, 06/01/2021
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Full Description
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 ISO9202.
This document is not suitable for any coated items. WD-XRF (wavelength dispersive X-ray fluorescence) equipment cannot be used.