Sulfuric acid was added to the solution to neutralize to the isoelectric point of iminodiacetic acid (IDA), and IDA crystallized from the solution.

 
  • 用酸將溶液酸化至亞氨基二乙酸的等電點(diǎn),亞氨基二乙酸晶體析出,脫色重結晶,抽濾、干燥得產(chǎn)品亞氨基二乙酸。
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