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ISO 4140:1979

Ferrochromium and ferrosilicochromium — Determination of chromium content — Potentiometric method

Sep 1, 1979

General information

90.93     Mar 25, 2022

ISO

ISO/TC 132

International Standard

77.100  

French   English  

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Published

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Scope

The method is applicable to all grades of these ferroalloys. Specifies principle, reagents, apparatus, sample, procedure, expression of results and test report.

Life cycle

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PUBLISHED
ISO 4140:1979
90.93 Standard confirmed
Mar 25, 2022

National adoptions

SSH ISO 4140:1979  
DPS

Ferrochromium and ferrosilicochromium — Determination of chromium content — Potentiometric method

60.60 Standard published

DPS/KT 133 more