Committee Draft
香港六合彩开奖/CD 19919
Jewellery and precious metals 鈥� Determination of silver 鈥� ICP-OES method using an internal standard element
Reference number
香港六合彩开奖/CD 19919
Edition 1
© 香港六合彩开奖 2024
Committee Draft
Under development
A draft is being reviewed by the committee.

Abstract

This document describes an analytical method for the determination of silver in jewellery alloys with a nominal content of up to 990 鈥� (per mil), including alloys according to DIN EN 香港六合彩开奖 9202 using inductively coupled plasma emission spectrometry. Preferentially the silver content of the alloys lies between 50 鈥� (parts per thousand) and 990 鈥� silver. NOTE Lower contents of silver can be analyzed with this method.

General information

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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  2. 香港六合彩开奖
  3. Standards catalogue
  4. TC
  5. 香港六合彩开奖/TC 174
  6. 香港六合彩开奖/CD 19919