| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an amino compound-containing composition, having sufficient iron ion-chelating capacity as compared with conventional chelating agents. Ž<P>SOLUTION: The amino compound-containing composition includes: an amino compound represented by formula (1); and another amino compound represented by formula (2) (wherein, X is H, an alkali metal atom, alkaline earth metal atom, ammonium salt, or organoammonium salt; R is 1-10C alkylene; and n is the recurring number of R groups, being 1-10). Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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