所屬科目:研究所、轉學考(插大)-分析化學
1.To prepare 500 mL, 50 mM acetate buffer solution, calculate how many grams of sodium acetate and acetic acid are needed? (pKa of acetic acid: 4.76, acetic acid: 60.05 g/mol, sodium acetate: 82.03 g/mol)(10分)
2.What are the difference between qualitative and quantitative analysis?(5分)
3.Please define the methods of external standard calibration, internal standard calibration, and standard addition.(15分)
4.Please explain the function of mobile phase and stationary phase in chromatography.(10分)
5.In analytical chemistry, two types of tools are employed, one is separation, the other is identification. Please list 5 instruments for separation and 5 for identification.(10分)