ISO 4158:1978

Ferrosilicon, ferrosilicomanganese and ferrosilicochromium — Determination of silicon content — Gravimetric method

Publication date: Dec 1, 1978

General information

Current stage: 90.93 Effective date: Jul 23, 2020

Originator: ISO

Owner: ISO/TC 132

Type: International Standard

ICS: 77.100

Languages: French English

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Status: Published

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Scope

The method is applicable to alloys containing from 8 to 95 % (m/m) silicon. Specifies principle, reagents, apparatus, sample, procedure, expression of results, reproducibility and test report. Warns of perchloric acid fumes.

Life cycle

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PUBLISHED
ISO 4158:1978
90.93 Standard confirmed
Jul 23, 2020

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