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Pure nitrogen or argon is bubbled through the solution until all color is gone.
向溶液中鼓入纯氮气或氩气，直到溶液没有了颜色时为止。
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The Atractylone in sample solution was kept stable in nitrogen.
样品溶液中的苍术酮经充氮气后保持稳定。
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The Atractylone in sample solution was kept stable in nitrogen.
样品溶液中的苍术酮经充氮气后保持稳定。
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