在三草酸合铁(Ⅲ)酸钾制备实验中,对投料比、草酸的加入方式、溶液的pH及反应温度等方面进行了探究,通过优化实验过程,提高了产率和实验教学效果,同时培养学生的环境保护意识。
The ratio of each material,the addition of oxalic acid,the pH of the solution and temperature were explored in the preparation of potassium ferrioxalate.The experimental results were improved by optimizing experimental process,the yield was increased and the effectiveness of experimental teaching was ameliorated,and the conception of environmental protection of students was cultivated in laboratory teaching.