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Tiêu chuẩn iso 06998 1997 cor1 1999

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ICS 71 100 10 Ref No ISO 6998 1997/Cor 1 1999(E) © ISO 1999 Printed in Switzerland A INTERNATIONAL STANDARD ISO 6998 1997 TECHNICAL CORRIGENDUM 1 Published 1999 03 01 INTERNATIONAL ORGANIZATION FOR ST[.]

A INTERNATIONAL STANDARD ISO 6998:1997 TECHNICAL CORRIGENDUM Published 1999-03-01 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ã ếếfl ếằôữằfl ếằôữằằ ã ORGANISATION INTERNATIONALE DE NORMALISATION Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of coking value TECHNICAL CORRIGENDUM Produits carbonés utilisés pour la production de l'aluminium — Brai pour électrodes — Détermination du résidu de cokéfaction RECTIFICATIF TECHNIQUE Technical Corrigendum to International Standard ISO 6998:1997 was prepared by Technical Committee ISO/TC 47, Chemistry, Subcommittee SC 7, Aluminium oxide, cryolite, aluminium fluoride, sodium fluoride, carbonaceous products for the aluminium industry Page Clause Replace “A test portion of coke ” by “A test portion of pitch ” ICS 71.100.10 © ISO 1999 Printed in Switzerland Ref No ISO 6998:1997/Cor.1:1999(E)

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