ISO 4140:1979

Ferrochromium and ferrosilicochromium — Determination of chromium content — Potentiometric method

Publication date: 1 sht 1979

General information

Current stage: 90.93 Effective date: 25 mar 2022

Originator: ISO

Owner: ISO/TC 132

Type: International Standard

ICS: 77.100

Gjuha: frëngjisht anglisht

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Statusi: Publikuar

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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

NOW

PUBLISHED
ISO 4140:1979
90.93 Standard confirmed
25 mar 2022

National adoptions

SSH ISO 4140:1979

DPS

Ferrokromi dhe ferrosilikokromi - Përcaktimi i përmbajtjes së kromit - Metoda potenciometrike

60.60 Standard published

DPS/KT 133 më tepër