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immediate downloadReleased: 2025-11-25
ISO 19919:2025
ISO 19919:2025 - Jewellery and precious metals — Determination of silver — ICP-OES method using an internal standard element
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English PDF
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French PDF
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French Hardcopy
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| Standard´s number: | ISO 19919:2025 |
| Edition: | 1 |
| Released: | 2025-11-25 |
| Pages (English): | 10 |
| Pages (French): | 11 |
DESCRIPTION
ISO 19919:2025
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.