101年 - 101 國立嘉義大學_碩士班(甲組)招生考試試題_應用化學系：分析化學#146278

(a) selectivity and sensitivity

(b)accuracy and precision

(c) Brønsted-Lowry acid and Lewis acid

(d)method blank and reagent blank

(e) end point and equivalence point

(a) cyclic voltammetry

(b)DESI

(c) electroosmosis

(d)HETP

(e) TOF

3. What is the sum of 12.34 and 0.0032, accounting forsignificant figures? (2 %)

(a) 4.5 mM 的EDTA約為幾 ppm? (2%)

(b)現有一新的方法，以其測量接近偵測極限(detection limit)附近之濃度，儀器之讀數(signal)如下: 225, 154, 214, 243, 181,239, 205, 183, 201, 226, 而十個空白測試平均值為 51.0 則最低之信號極值(signal detection limit)為多少? (2%)

(c) 其檢量線之斜率為 1.56 x 109 M 偵測極限濃度(concentration detection limit, or limit of detection) 為何? (2%)

(d)最低定量濃度 (limit of quantitation, or lower limit ofquantitation) 為何? (2%)

(e) 請問此方法可用於測定血中EDTA之含量嗎? 若測得之含量為4.5 μM，請問血樣品是否曾經加過EDTA? (2 %)

5. 下圖為diprotic弱酸(H₂A)及其解離物種HA^–及A^2–，於不同pH時的分 率 (fraction, α) ， 請問 H₂A 的 pK₁ 及 pK₂ 約是多少 ? Explain.(4%)

6. 請以方塊圖標示測量吸光值之儀器，需包含五個方塊並以適當之順序排列。(4%)

7. What type of detector is usually needed for IR spectroscopy?Why? (2%)

8. Flames are commonly used for liquid sampleatomization. In the appropriate letter slot, NAME thezone where AA measurements should take place. (2%)

(a) What columns and detectors can be selected forsample containing benzene, anthracene, naphthaleneand pyrene? (2%)

(b)What columns and detectors can be selected forsample of biodiesel containing fatty acid methylesters? (2%)

(c) What columns and detectors can be selected forchlorine-containing pesticides? (2%)

10. Predict the elution order of the following compounds ina reversed phase Liquid Chromatography (LC)experiment: propane, propanol, propylamine. (2%)

11. What is the wavelength of a photon that has threetimes as much energy as that of a photon whosewavelength is 500 nm? (2%)

12. What resolution is needed to separate ions with m/zvalues of 335.248 and 335.309? (2%)

13. In a three electrode cell in voltammetry, between whichtwo electrodes is the potential applied? (2 %)

14. In a three electrode cell in voltammetry, between whichtwo electrodes is the current measured? (2%)