Draft
International Standard
ISO/DIS 25644
Jewellery and precious metals — Determination of gold — ICP-OES method using an internal standard element
Reference number
ISO/DIS 25644
Edition 1
© ISO 2026
Draft International Standard
Under development
This Draft International Standard is in the enquiry phase with ISO members.

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

  • Status
     : Under development
    Stage
    : DIS registered [40.00]
  • Edition
     : 1
  • Technical Committee :
    ISO/TC 174
    ICS :
    39.060 
  • 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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