| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for stabilizing hydroxylamine under conditions such as high temperature, high concentration, and in a mixed state with metal impurities such as Fe, and to provide a stabilized hydroxylamine solution. SOLUTION: The method for stabilizing hydroxylamine is characterized in that ethylenediamine-N-N'-di(o-hydroxyphenyl acetic acid) is added as a storage stabilizer. COPYRIGHT: (C)2007,JPO&INPIT
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