Tiêu chuẩn iso 06998 1997 cor1 1999

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[.]

ICS 71.100.10 Ref No ISO 6998:1997/Cor.1:1999(E)

© ISO 1999

Printed in Switzerland

TECHNICAL CORRIGENDUM 1

Published 1999-03-01

INTERNATIONAL ORGANIZATION FOR STANDARDIZATION • Ã≈∆ƒ”Õ¿–ŒƒÕ¿fl Œ–√¿Õ»«¿÷»fl œŒ —“¿Õƒ¿–“»«¿÷»» • ORGANISATION INTERNATIONALE DE NORMALISATION

Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of coking value

TECHNICAL CORRIGENDUM 1

Produits carbonés utilisés pour la production de l'aluminium — Brai pour électrodes — Détermination du résidu

de cokéfaction

RECTIFICATIF TECHNIQUE 1

Technical Corrigendum 1 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 1

Clause 3

Replace

“A test portion of coke ”

by

“A test portion of pitch ”