ISO 3908:2009

Published (Edition 3, 2009)

This standard was last reviewed and confirmed in 2020. Therefore this version remains current.

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Abstract

ISO 3908:2009 specifies a gravimetric method for the determination of the mass fraction of insoluble (free) carbon in carbides and hardmetals.

This method is applicable to

carbides of hafnium, molybdenum, niobium, tantalum, titanium, vanadium, tungsten and zirconium,
mixtures of these carbides and binder metals, free of lubricant, and
all grades of presintered or sintered hardmetals, produced from these carbides,

having a mass fraction of insoluble carbon between 0,02 % and 0,5 %.

This standard contributes to the following Sustainable Development Goals

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