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ISO 23345:2021

ISO 23345:2021

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

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General Information

Status : Active

Standard Type : Main

Document No : ISO 23345:2021

Document Year : 2021

Pages : 7

Edition : 1

Section Volume : Jewellery (ISO/TC 174.)

ICS : Non-destructive testing (19.100)Jewellery (39.060)

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.