The pH response to temperature varied in different pH ranges of the aqueous solutions, and colors changed when acid-base indicators were added to the aqueous solution.
在一定酸碱性的甘氨酸溶液中加入适当的酸碱指示剂，可以实现颜色随溶液温度的变化而变化。
The pH response to temperature varied in different pH ranges of the aqueous solutions, and colors changed when acid-base indicators were added to the aqueous solution.
在一定酸碱性的甘氨酸溶液中加入适当的酸碱指示剂，可以实现颜色随溶液温度的变化而变化。
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