欧洲药典中在有关物质检查项下，规定各个杂质限度及总限度后还会列出disregard limit 不知道disregard limit 指的是什么？哪位高手能给降解一下，谢谢！ 例如： Limits:--impurity A：not more than 1.5 times the area of the correspongding peak in the chromatogram obtained with the reference solution(1.5 percent) ---any other impurities:...... ---sum of impurities other than A:.... ---disregard limit: 0.05 times the area of the peak due to rifampin in the chromatogram obtained with the reference solution (0.05 per cent)
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