Martins, F. G., de Andrade, J. F., Pimenta, A. C., Lourenço, L. M., Castro, J. R. M. and Balbo, V. R. (2005) “Spectrophotometric study of iron oxidation in the iron(II)/thiocyanate/acetone system and some analytical applications”, Eclética Química, 30(3), pp. 63–71. doi: 10.26850/1678-4618eqj.v30.3.2005.p63-71.