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ISO 4140:1979 Preview
Ferrochromium and ferrosilicochromium -- Determination of chromium content -- Potentiometric method
This standard was last reviewed and confirmed in 2016. Therefore this version remains current.
The method is applicable to all grades of these ferroalloys. Specifies principle, reagents, apparatus, sample, procedure, expression of results and test report.
General information
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Status : PublishedPublication date : 1979-09
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Edition : 1Number of pages : 3
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- ICS :
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Ferroalloys
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Now confirmed
ISO 4140:1979
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