It is for Hardmetals Determination of total carbon, Gravimetric method (ISO 3907:2009); German version EN ISO 3907:2009
Standards references as follow:
DIN EN ISO 3908 : 2010 HARDMETALS - DETERMINATION OF INSOLUBLE (FREE) CARBON - GRAVIMETRIC METHOD
DIN HDBK 247 : 3ED 2017 PULVERMETALLURGIE - METALLPULVER, SINTERMETALLE, HARTMETALLE - GRUNDLAGEN, WERKSTOFFANFORDERUNGEN, PROBENAHME UND PRUEFVERFAHREN
