精華區beta NTUCH-HW 關於我們 聯絡資訊
課程名稱︰分析化學丁 課程性質︰ 課程教師︰何國榮 開課學院: 開課系所︰ 考試日期(年月日)︰08/1/17 考試時限(分鐘):140 是否需發放獎勵金:是 (如未明確表示,則不予發放) 試題 : 1.Explain that junction potential is a major factor to the error of pH measurement.5% 2. 3+ - 2+ 0 Fe + e <=> Fe E = 0.68V in 1M H2SO4 - + - 2+ 0 MnO4 + 8H +5e <=> Mn + 4H2O E =1.507V 2+ Theoretical titration of 0.400L of 3.75mM Fe with 0.0200M KMnO4. (a)Please draw the titration curve. (b)Propose a method for the detection of end point.6% 3.For a chemical reaction A + B <=> C + D 0 please show the relationship between E and equilibrium constant.4% 4.Explain that stripping technique provides better sensitivity than other voltammetry techniques.4% 5.Explain the concentration polarization and its effect to a galvanic cell.6% 6.Explain that the 入 of excitation spectrum has slightly higher energy than the 入 of emission spectrum.5% 7.Explain that intensity of light source is more critical to the sensitivity of fluorescence than absorbance.4% 8.Explain that photodiode detector is often used in liquid chromatography. 4% 9.Explain that most commerical IR spectrometer is Fourier Transform IR.4% 10.Explain that furnace AA has better sensitivity than flame AA.4% 11.(a)Explain the operational principal of ICP. (b)Describe the advantage of ICP/AES in comparsion with furnace AA.6% 12.Please show the temperature profile for a furnace atomic absorption experiment and explain the purpose of each different part of the heating profile.6% 13.Explain the technique of ion mobility spectrometer.4% 14.(a)Explain the difference between selected ion monitoring and selected reaction monitoring.(b)Explain that SRM is more sensitive than SIM.6% 15Describe the two major factors affecting the resolution of chromatography .4% 16.Based on van Deemter equation: H = A + B/u + C u Explain the reason of using smaller particle in HPLC.4% 17.Based on van Deemter equation, explain the effect of open tubular column inner diameter on resolution.4% 18.Describe the sample injection technique in HPLC.4% 19.Explain the utility of isotope peak in MS analysis.4% 20.In staircase voltammetry, explain that the current was msasured at the end of each increase of voltage.4% 21.Explain that three electrode was used in controlled potential electrolysis.4% 22.Explain that in potentiometry measurement, the current is very close to zero.4% -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.112.7.59