ISO/PWI 19919

Jewellery and precious metals — Determination of silver in silver alloys — ICP-OES method using an internal standard element

General information

Current stage: 00.00 Effective date: Feb 20, 2023

Originator: ISO

Owner: ISO/TC 174

Type: International Standard

Scope

This document specifies the analytical procedure for the determination of silver with a nominal content of and above 990 ‰ (parts per thousand), including alloys described in ISO 9202.

Life cycle

NOW

IN_DEVELOPMENT
ISO/PWI 19919
00.00 Proposal for new project received
Feb 20, 2023

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