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Standards [CURRENT]

ISO 7990
Manganese ores and concentrates; Determination of total iron content; Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method

Title (German)

Manganerze und -konzentrate; Bestimmung des Gesamteisengehaltes; titrimetrische Methode nach Reduktion und spektrophotometrische Methode mit Sulfosalizylsäure

Responsible national committee

NA 066-02-06 AA - Methods of analysis  

Responsible international committee

ISO/TC 132 - Ferroalloys  

Edition 1985-12
Original language English
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Table of contents

Contact

Dipl.-Ing.

Jörg Graßmann

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10787 Berlin

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Fax: +49 30 2601-42315

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