| abstract |
THIS SOLUTION, WITH A PH LESS THAN 6 AND PREFERREDLY BETWEEN 3.5 AND 5, INCLUDES, IN ADDITION AN EFFECTIVE QUANTITY OF AT LEAST ONE COMPOUND CHOSEN FROM THE GROUP CONSTITUTES ACIDS, BASES AND SALTS CONTAINING TITANIUM OR ZIRCONIUM OR THESE TWO ELEMENTS SIMULTANEOUSLY, AS WELL AS POSSIBLY AT LEAST ONE COMPLEXING AGENT OF THESE COMPOUNDS AND AT LEAST ONE COMPLEXING AGENT OF ALUMINUM, AN QUANTITY LESS THAN 500PPM, PREFERREDLY BETWEEN 10 AND 250PPM, AND BETTER BETWEEN 30 AND 100PPM AT LEAST ONE WATER-SOLUBLE DISPERSING POLYELECTROLYTE, HAVING A MOLECULAR WEIGHT LESS THAN 100,000, PREFERABLY FROM 500 TO 10,000, IN A PROPORTION OF 1 TO 100G PER ATOM-GRAM OF ZIRCONIUM, TITANIUM OR THE ASSEMBLY OF THESE TWO ELEMENTS. |