ISO 4158:1978
Ferrosilicon, ferrosilicomanganese and ferrosilicochromium; Determination of silicon content; Gravimetric method

Standard No.

ISO 4158:1978

Release Date

1978

Published By

International Organization for Standardization (ISO)

Latest

ISO 4158:1978

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.

ISO 4158:1978 history

• 1978 ISO 4158:1978 Ferrosilicon, ferrosilicomanganese and ferrosilicochromium; Determination of silicon content; Gravimetric method