ISO/CD 18214

Jewellery and precious metals — Determination of 999 ‰ gold, silver, platinum and palladium — Difference method using SPARK-OES

General information

Current stage: 30.60 Close of voting/ comment period Jan 31, 2023

Originator: ISO

Owner: ISO/TC 174 Jewellery and precious metals

Type: International Standard

ICS: 39.060 Jewellery

Scope

This document specifies the analytical procedure for the determination of gold, silver, platinum and palladium with a nominal content of and above 999 ‰ (parts per thousand). This method requires solid sample to have a flat surface large enough to allow its measurement by SPARK-OES spectroscopy.

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ISO/CD 18214
30.60 Close of voting/ comment period
Jan 31, 2023