This part of EN ISO 6744 specfies a method for determining the unsaponifiable matter content of alkyd resins. It is always used in conjunction with EN ISO 6744-2, which describes the first step of the analysis.
DS/EN ISO 6744-3:2004 history
2004DS/EN ISO 6744-3:2004 Binders for paints and varnishes - Alkyd resins - Part 3: Determination of unsaponifiable matter content