Louzeiro HC, Soledade LEB, de Souza AG, Maciel AP, Silva FC. Free glycerin determination in ethanol biodiesel utilizing spectrophotometric and chromatographic (GC/FID) methods. Eclet. Quim. [Internet]. 2015 Oct. 31 [cited 2024 Nov. 23];38(1):25-36. Available from: https://revista.iq.unesp.br/index.php/ecletica/article/view/96