Acebal-Ibarra, L. A. T. and Arada-Pérez, D. C. M. de los Á. (2015) “Preparation and evaluation of internal reference material for determination of Fe, Si and Ni lateritic ore in Eastern North of Cuba”, Revista Cubana de Química, 27(1), pp. 19–31. Available at: https://cubanaquimica.uo.edu.cu/index.php/cq/article/view/265 (Accessed: 21 November 2024).