Approved Work Item
ISO/AWI 25644
Jewellery and precious metals — Determination of gold — ICP-OES method using an internal standard element
Reference number
ISO/AWI 25644
Edition 1
© ISO 2025
Approved Work Item
Under development
A working group has prepared a draft.

Abstract

This document describes an analytical method for the determination of gold in jewellery alloys 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

  • Status
     : Under development
    Stage
    : New project registered in TC/SC work programme [20.00]
  • Edition
     : 1
  • Technical Committee :
    ISO/TC 174
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goals

9
Industry, Innovation and Infrastructure
12
Responsible Consumption and Production

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