NEW CERIUM IV COMPOUND AND PROCESS FOR PREPARING THE SAME

摘要

The present invention relates to a novel cerium compound and process for producing the same. The cerium compound of the invention conforms to the general formula: ## STR2 ## ) (OH) (NO) (I) IN WHICH / P P -M REPRESENTS AN ALKALINE METAL OR A QUATERNARY AMMONIUM RADICAL / P P -X IS BETWEEN 0.05 AND 0.2 / P P -Y IS SUCH AS Y4-ZX / P P -Z IS BETWEEN 0.4 AND 0.7. / P P THIS COMPONENT IS AT THE OWNERSHIP EASILY DISPERSIBLE IN WATER. / P