pH indicator..

来源：百度知道 编辑：UC知道 时间：2024/06/23 00:52:56
the reference used of pH indicator
the uses of pH indicator..

要英语回答!!

A pH indicator is a halochromic chemical compound that is added in small amounts to a solution so that the pH (acidity or alkalinity) of the solution can be determined easily.
so the uses of pH indicator means employ the pH indicator

酸碱度指示剂

PH值指示剂