de Santana, H., Vieira, K.E., Zaia, C.T.B.V. and Zaia, D.A.M. 2010. Study of the reaction between ammonium thiocyanate and Fe (II) or Fe (III) using infrared spectroscopy: an experiment of prebiotic chemistry. Semina: Ciências Exatas e Tecnológicas. 31, 1 (Jul. 2010), 15–21. DOI:https://doi.org/10.5433/1679-0375.2010v31n1p15.