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NBN ISO 19919:2026
Jewellery and precious metals — Determination of silver — ICP-OES method using an internal standard element
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Summary
This document specifies an analytical method for the determination of silver on a material considered homogeneous. The silver content of the samples lies preferably between 50 ‰ (parts per thousand) and 990 ‰ (parts per thousand). Fineness above 990,0 ‰ can be determined using a spectroscopy method by difference (see ISO 15096).
NOTE Lower contents of silver can be analysed according to this method.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 02/17/2026 |
| Page Count | 0 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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