发明授权
US3957160A Process for the prevention of precipitations in water or aqueous solutions 失效
防止水或水溶液沉淀的方法

Process for the prevention of precipitations in water or aqueous
solutions
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.
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