OS GSO ISO 18214:2025
ISO 18214:2024
Omani Standard
Current Edition
·
Approved on
14 October 2025
Jewellery and precious metals — Determination of high purity gold, silver, platinum and palladium — Difference method using SPARK-OES
OS GSO ISO 18214:2025 Files
English
7 Pages
Current Edition
Reference Language
OMR
31.02
OS GSO ISO 18214:2025 Scope
This document specifies an analytical procedure for the determination of gold, silver, platinum and palladium with a nominal content of and above 999 ‰ (parts per thousand, by mass), using an optical emission spectrometer with excitation by spark discharge (SPARK-OES).
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