大红月季花色素指示剂的研究

Research on Characteristics of the Red Everflowering Rose Erythrophyll as a PH Indicator

本文着重对大红月季花色素在酸碱滴定中充当指示剂进行了研究.结果表明,大红月季花色素是一种很好的环保型酸碱指示剂,具有变色敏锐、滴定偏差小的优点.

A research is made on the characteristics and application of the Red everflowering rose ErythrophU as a PH indicator. The results show that it has many advantages, such as the color sharply change in smaller pH unit, high accuracy, comparing to Nertral red indicator. And it is a natural indicator without pollution.