“指示剂”用英语怎么说

加入好的淀粉溶液指示剂,这时溶液变成兰色.Upon the addition of a good starch indicator a blue solution results.指示剂选择不适当可能给音量分析带来重大误差.Improper choice of indicators can introduce serious errors into volumetric work.目前蔬菜的热烫终点以过氧化物酶作为指示剂来确定.Pres...