Al_2O_3测定中的PH调节

PH Value Adjustment in Measuring Al_2O_3 Content of Refractory

分别对不同组份的耐火材料,用不同的方法进行了Al2O3含量的测定试验,归纳了酚酞、甲基橙、溴酚兰、二甲酚橙等指示剂对PH的调节作用,分析了各自的适用条件及影响因素。

For different composition refractory, The relevant Al 2O 3 content was measured by means of different methods. The PH value adjustment effect of phenolphthalein, methys orange, bromophenol blue, xylenol orange was summed up respectively. Furthermore, the respective using condition and influencing factor was analyzed.