新高考与大类招生背景下的基础化学实验教学改革思考与实践

doi:10.3866/PKU.DXHX202109045

Abstract

Abstract:

Basic chemistry experiment is one of the important core subjects in agricultural and forestry universities. It plays a significant role in developing students’ professional knowledge and skills, training their practical abilities, improving their scientific literacy and raising the abilities of comprehensive practice. Since 2001, basic chemistry experiment has been carried out at Huazhong Agricultural University for 20 years. Under the new college entrance examination and classified enrollment, we could learn lessons from the laboratory teaching, which is beneficial for improving the teaching and the course quality. Meanwhile, in the new era, it is of the significant importance to strengthen curriculum construction, and this will be conducive to the “double first-class” university project and new agricultural science construction, as well as creative talents training.

Key words: Chemistry experiment, Curriculum construction, Teaching reform, Practice, Talent training

MSC2000:

Yonghong Liu, Huihui Li, Lijun Duan, Libai Wen, Xianwen Hu, Donglian Lu, Yun Wang, Xieshe Cheng. Teaching Reform and Practice of Basic Chemistry Experiment under the New College Entrance Examination and Classified Enrollment[J].University Chemistry, 2022, 37(8): 2109045.

Figures/Tables 6

References 12

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基础模块	实验项目	备注
实验室安全与规范	新生安全知识专题介绍	必修
基本操作	融入每一个具体的实验项目中	必修
物质的制备与分析	五水硫酸铜的制备与提纯，硫酸铜晶体制备氧化铜，明矾的制备与单晶的培养，粗食盐的提纯	必修
	三氯化六氨合钴(Ⅲ)的制备	选修
物理量的测定与分析	阿伏伽德罗常数的测定，化学反应速率及活化能的测定，乙酸电离度和离解常数的测定	必修
	凝固点降低法测定物质的摩尔质量	选修
物质的分离与提纯	五水硫酸铜的制备与提纯，粗食盐的提纯	必修
物质的性质	胶体及其性质，溶液中物质的性质，常见阴离子和阳离子的鉴定，一种未知化合物的鉴定	选修
常见的化学分析方法	酸碱标准溶液的配制和浓度比较滴定，盐酸标准溶液的标定，高锰酸钾标准溶液的配制与标定	必修
	氢氧化钠溶液的标定，铵盐中氮含量的测定，混合碱的分析，EDTA的标定和水总硬度的测定，食盐中碘含量的测定，磷的比色分析	选修
分光光度法	邻菲罗啉分光光度法测定Fe	必修
	磷的比色分析，土壤中速效磷的测定	选修

序号	纯度/%		序号	纯度/%
序号	滴定分析法	分光光度法	序号	滴定分析法	分光光度法
1	63.68	52.75	14	92.27	71.44
2	88.35	80.79	15	87.32	83.49
3	88.74	87.64	16	92.14	74.04
4	86.86	86.81	17	87.94	91.82
5	88.13	74.97	18	87.40	90.86
6	90.56	83.05	19	88.03	81.40
7	86.89	65.29	20	87.17	86.97
8	92.75	89.74	21	93.61	76.48
9	90.18	53.98	22	90.10	89.79
10	87.15	59.59	23	89.94	87.62
11	82.43	56.15	24	88.94	83.30
12	83.19	82.73	25	87.33	78.76
13	85.23	68.02	26	88.10	80.10

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Teaching Reform and Practice of Basic Chemistry Experiment under the New College Entrance Examination and Classified Enrollment

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