ISO/DIS 4940

Steel and cast iron — Determination of nickel content — Flame atomic absorption spectrometric method

General information

Current stage: 40.20 Effective date: 25 korr 2024

Originator: ISO

Owner: ISO/TC 17/SC 1

Type: International Standard

ICS: 77.080.01

Gjuha: anglisht

Buying

Statusi: Draft

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Scope

The method is applicable to nickel contents between 0.002 % (m/m) and 0.5 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. Annex A gives additional information on the international co-operative tests, and Annex B represents the precision data graphically.

Life cycle

PREVIOUSLY

Revises
ISO 4940:1985

NOW

IN_DEVELOPMENT
ISO/DIS 4940
40.20 DIS ballot initiated: 12 weeks
25 korr 2024

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