萝卜红色素作酸碱指示剂的研究

Study on radish red pigment as an indicator of acid alkali

研究萝卜红色素在不同pH值溶液中的颜色变化,并以此提出用其作酸碱指示剂的实验依据,旨在充分发掘萝卜红色素的实用价值。

The paper has studied the color change of radish red pigment in solutions of various PH value. On its basis, the paper puts forth the experimental foundation for radish red pigment as titration indicator of acid alkali, whose purpose is to fully explore its practical value.