This part of ISO 21627 specifies a direct potentiometric method for the determination of inorganic chlorine in epoxy resins, also called “ionic chlorine”.
EN ISO 21627-1:2009 Referenced Document
ISO 3696:1987 Water for analytical laboratory use; Specification and test methods
EN ISO 21627-1:2009 history
2009EN ISO 21627-1:2009 Plastics - Epoxy resins - Determination of chlorine content - Part 1: Inorganic chlorine (ISO 21627-1:2009)
2003EN ISO 21627-1:2003 Plastics - Epoxy resins - Determination of chlorine content Part 1: Inorganic chlorine ISO 21627-1:2002;