CERIUM IV COMPOUND AND METHOD FOR ITS PREPARATION

摘要

1. A compound of cerium IV corresponding to the following general formula (I) : Ce (M)x (OH)y (NO3 )z wherein : - M represents an alkali metal or a quaternary ammonium radical, - x is between 0.01 and 0.2, - y is such that y = 4 - z + x and - z is between 0.4 and 0.7.