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ISO 23156:2021

Ferronickels — Determination of phosphorus, manganese, chromium, copper and cobalt contents — Inductively coupled plasma optical emission spectrometric method ISO 23156:2021

Publication date:   Mar 26, 2021

General information

90.60   Close of review   Jun 5, 2026

ISO

ISO/TC 155 Nickel and nickel alloys

International Standard

77.100   Ferroalloys | 77.120.40   Nickel, chromium and their alloys

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Scope

This document specifies a method for the determination of phosphorus, manganese, chromium, copper and cobalt contents in ferronickels, by inductively coupled plasma (ICP) optical emission spectrometry, within the ranges specified in Table 1.
This method is applicable to all grades of ferronickels specified in ISO 6501.

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PUBLISHED
ISO 23156:2021
90.60 Close of review
Jun 5, 2026




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