Analytical Chemistry
分析化学研究物质的组成、结构和含量的测定方法。课程包括化学分析和仪器分析两部分。化学分析涵盖酸碱滴定、配位滴定、氧化还原滴定、沉淀滴定和重量分析法。仪器分析包括紫外可见分光光度法、原子吸收光谱法、气相色谱法、液相色谱法、电化学分析法等。同时学习分析数据处理、误差理论和质量保证体系。
Analytical Chemistry studies methods for determining composition, structure, and quantity of substances. The course includes chemical analysis and instrumental analysis. Chemical analysis covers acid-base, complexometric, redox, and precipitation titrations, plus gravimetry. Instrumental analysis includes UV-Vis spectrophotometry, atomic absorption spectroscopy, gas chromatography, liquid chromatography, and electroanalytical methods. Also covers data processing, error theory, and quality assurance.
学生对一份含有多种未知阴离子的混合溶液进行系统分析。首先通过初步试验包括观察溶液颜色、测定pH值、进行挥发性试验等缩小范围。然后采用系统分析法或分别分析法进行定性鉴定，确定样品中存在的阴离子种类。在此基础上选择合适的定量方法如离子色谱法或滴定法，对各阴离子进行准确的定量测定，并进行回收率和精密度检验。
Students perform systematic analysis of a mixed solution containing multiple unknown anions. First conduct preliminary tests including color observation, pH measurement, and volatility tests to narrow possibilities. Then use systematic or individual analysis methods for qualitative identification. Based on results, select appropriate quantitative methods such as ion chromatography or titration for accurate determination, with recovery and precision validation.