method for preventing precipitation in water or aqueous solutions by the addition of aminoalkaan - 1.1 - difosfonzuren.

摘要

The invention relates to a process for the prevention of inorganic salt precipitations in water or aqueous solutions by the additions to the solutions of small amounts of N-substituted aminoalkane-1,1-diphosphonic acids or their alkali metal salts or ammonium salts.