# saponification

Saponification number in oils measures the amount of alkali required to convert fats into soap and it is a crucial parameter for formulation of industrial or artisanal soap. Microwave assisted solvent extraction is a well-established sample preparation technique and offers a reliable and efficient approach for its quantification. Milestone ETHOS X equipped with fastEX-24 eT rotor was used in this study to demonstrate its effectiveness in comparison with official ISO 3657:2020 method and European Pharmacopoeia.