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sklademVydáno: 2021-06-24
BS ISO 23345:2021
Jewellery and precious metals. Non destructive precious metal fineness confirmation by ED-XRF
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| Označení normy: | BS ISO 23345:2021 |
| Počet stran: | 16 |
| Vydáno: | 2021-06-24 |
| ISBN: | 978 0 539 00675 9 |
| Status: | Standard |
DESCRIPTION
BS ISO 23345:2021
This standard BS ISO 23345:2021 Jewellery and precious metals. Non destructive precious metal fineness confirmation by ED-XRF is classified in these ICS categories:
- 19.100 Non-destructive testing
- 39.060 Jewellery
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.