EN17351-2020isaEuropeanstandardtitled"Bio-basedproducts-Determinationoftheoxygencontentusinganelementalanalyser."Thisstandardprovidesamethodformeasuringtheoxygencontentinbio-basedproductsthroughtheuseofelementalanalysis.Itisapplicabletosolid,liquid,andgaseousbio-basedmaterials,ensuringaccuracyandreproducibilityinquantifyingoxygenaspartoftheelementalcomposition.Theprocedureinvolvescombustionofthesampleinanelementalanalyser,whereoxygenisconvertedtocarbonmonoxideorcarbondioxide,followedbydetectionandcalculation.Thisstandardsupportsqualitycontrol,certification,andresearchrelatedtobio-basedproducts,emphasizingsustainabilityandmaterialcharacterization.CompliancewithEN17351-2020helpsensureconsistentandreliableresultsacrosslaboratoriesandindustries.