Using Digital Technology to Inquire Preparation Process of Ferric Hydroxide Colloid Through Coagulation
WEI Zhao1,2, ZHAO Guo-Yong3, SUN Yu-Ting4
1. School of Teacher Education, Central China Normal University, Wuhan 430079, China;
2. Wuhan Chanqing No.1 High School, Wuhan 430040, China;
3. No.1 Middle School Affiliated to Central China Normal University, Wuhan 430223, China;
4. Wuhan Changqingshu Experimental School, Wuhan 430023, China
Abstract Using digital technology, this paper tested the conductivity, pH and illuminance of Fe(OH)3 colloid and FeCl3 solution. Through the experiments, students observed the data difference and change process of conductivity, pH and illuminance, and then understood the difference between colloid and solution.
WEI Zhao, ZHAO Guo-Yong, SUN Yu-Ting. Using Digital Technology to Inquire Preparation Process of Ferric Hydroxide Colloid Through Coagulation[J]. Chinese Journal of Chemical Education, 2018, 39(1): 63-65.
