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ISO/FDIS 4653

Ferronickel — Determination of carbon, sulphur, silicon, phosphorus, nickel, cobalt, chromium, and copper contents — Spark emission spectrometric method

General information

50.00     Jul 9, 2026

ISO

ISO/TC 155

International Standard

77.100     77.120.40  

Scope

This document specifies a spark atomic emission spectrometry method for the determination of carbon, sulfur, silicon, phosphorus, nickel, cobalt, chromium, copper contents in ferronickel. This method is applicable to the concentration ranges (mass fraction) in ferronickel: carbon 0.02 to 2.5, sulfur 0.002 to 0.28, silicon 0.10 to 4, phosphorus 0.005 to 0.040, nickel 14.0 to 42.0, cobalt 0.20 to 2.0, chromium 0.10 to 2.0, copper to 0.25.

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PROJECT
ISO/FDIS 4653
50.00 Final text received or FDIS registered for formal approval
Jul 9, 2026