我校化学系分析组部分工农兵学员于74年冬去天津冶金材料研究所,在工人及技术人员指导下进行了毕业实践,完成了生产单位的科研项目,做出了较好的成绩,现将部分实验报告简要汇报如下: 一、合金钢中镍的快速测定——丁二肟直接比色法 In the winter of 74, the workers, peasants and soldiers who were part of the analysis team of the Department of Chemistry of our university went to Tianjin Institute of Metallurgical Materials in the winter and conducted graduation practice under the guidance of workers and technicians. The scientific research projects of production units were completed and good results were achieved. A brief report of some of the experimental report is as follows: First, rapid determination of nickel in alloy steel - Direct dialyzoxime colorimetric