标准编号：ISO 23345:2021
中文名称：珠宝和贵金属 ED-XRF无损贵金属纯度确认
英文名称：Jewellery and precious metals — Non destructive precious metal fineness confirmation by ED-XRF
发布日期：2021-06
标准范围
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.
标准预览图
立即下载标准文件