Revised Standard from Last Update.

NATIONAL FOREWORD

This draft standard (Frist Revision) which is identical to ISO 3908 : 2009 ‘Hardmetals - Determination of insoluble (free) carbon - Gravimetric method’ issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on recommendation of the Powder Metallurgical Materials and Products Sectional Committee and approval of the Metallurgical Engineering Division Council.

This standard was first published in 1988. The first revision of this standard has been undertaken to align it with the latest version of ISO 3908 : 2009 in dual numbering system to harmonize it with the latest developments that have taken place at international level.