This amount was determined by taking into account the amount of NaOH which acted as a catalyst and which would neutralise free fatty acids, determined by means of acid value measured according to American Society for Testing and Materials ASTM D1980-87, 1998.
Dicha canti-dad se determina teniendo en cuenta la cantidad de NaOH que actúa como catalizador y la que va a neutralizar los ácidos grasos libres, determinados por medio del valor ácido medición determinada según la norma ASTM D1980-87 American Society for Testing and Materials, 1998.