This part of ISO 6744 specifies a method for determining the fatty acid content of alkyd resins. It is always used in conjunction with ISO 6744-2 and -3, which contain the preceding analysis steps. It is not applicable to modified alkyd resins (see 3.2 of ISO 6744-1:1999) or to resins containing benzoic acid.
GSO ISO 6744-4:2015 history
2015GSO ISO 6744-4:2015 Binders for paints and varnishes -- Alkyd resins -- Part 4: Determination of fatty acid content