Colina, M., Gardiner, P. H., Rivas, Z., & Troncone, F. (1). Modified procedure for the simultaneous determination of nitrogen, phosphorus and sulphur by hydrogen peroxide microwave digestion and ion chromatography. Ciencia, 14(1). Recuperado a partir de https://www.produccioncientificaluz.org/index.php/ciencia/article/view/9316