Committee Draft
ISO/CD 25644
Jewellery and precious metals — Determination of gold — ICP-OES method using an internal standard element
Reference number
ISO/CD 25644
ISO/CD 25644
Edition 1
© ISO 2026
Committee Draft
Abstract
This document describes an analytical method for the determination of gold with a nominal content of up to 990 ‰ (per mil), including alloys according to DIN EN ISO 9202 using inductively coupled plasma emission spectrometry. Preferentially the gold content of the alloys lies between 50 ‰ (parts per thousand) and 990 ‰ gold.
General information
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Status: Under developmentStage: CD approved for registration as DIS [30.99]
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Edition: 1
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Technical Committee :ISO/TC 174
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