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ISO 621:1981

Manganese ores — Determination of metallic iron content (metallic iron content not exceeding 2 %) — Sulphosalicylic acid photometric method ISO 621:1981

Publication date:   Nov 1, 1981

95.99   Withdrawal of Standard   Aug 13, 2014

General information

95.99   Withdrawal of Standard   Aug 13, 2014

ISO

ISO/TMBG Technical Management Board - groups

International Standard

73.060.20   Manganese ores

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Scope

This second edition cancels and replaces the first edition (i.e. ISO 621-1975). Specifies principle, reagents, apparatus, sample, procedure and expression of results.

Life cycle

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WITHDRAWN
ISO 621:1981
95.99 Withdrawal of Standard
Aug 13, 2014




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