Podaci o nacrtu
Oznaka:prEN ISO 23345
Odbor:HZN/TU N1
Ime odbora:Nemetalni materijali 1
Nacrt objavljen za komentiranje:2025-12-11
Rok za komentiranje:2026-01-12
Broj komentara:0
Contact email:nacrti(at)hzn.hr
Područje primjene nacrta:
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.