> CROMO VI
Article : texto impresoFERREIRA, M. J. ; ALMEIDA, M. F. ; PINTO, T. |Experimental results that confirm the Cr III to Cr VI transformation during chromium tanned leather combustion and its dependence on temperature and time, thus finding an explanation for variability of the results published before.
Article : texto impresoFONT, J., Autor ; CUADROS, R. Ma., Autor ; LALUEZA, J., Autor ; MARSAL, A., Autor ; REYES, Ma. R., Autor ; COSTA-LOPÉZ, J., Autor ; ORÚS, C., Autor |In this work the results of a preliminary study on the influence exerted by neutralization, washing, ageing and vegetable retanning on chromium VI content in sheepskins are presented. In neutrlization, the presence of chromium VI in skins is obs[...]