本文件描述了一种非破坏性方法，用于验证（确认）ED-XRF（能量色散X射线荧光）认为均匀的成品和半成品珠宝项目的贵金属纯度，包括符合ISO？9202的合金。 本文件不适用于任何涂层物品。不能使用WD-XRF（波长色散X射线荧光）设备。

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.