課程名稱︰分析化學二
課程性質︰必修
課程教師︰劉春櫻
開課系所︰化學系
考試時間︰May 15,2006
是否需發放獎勵金：否
（如未明確表示，則不予發放）
試題 :
1.Define the following terms(12%)
(a)ionization suppressor
(b)partition coefficient
(c)distribution ratio
(d)Doppler effect
2.Explain the following figure(8%)
3.Why is atomic emission more sensitive to flame instability than atomic
absorption or fluorscence?(3%)
4.How Mg(NO3)2 , a matrix modifier could prevent premature evaporation of Al
in a furance by maintaining the aluminum in the form Al2O3(4%)
5.State the advantage and disadvantage of the inductively coupled plasma
compared with conventional flame in atomic spectroscopy.(5%)
6.Give three methods that can provide background correction to distinguish
analyte from absorption , emission and optical scattering of the sample
matrix , the flame plasma , or a white-hot graphite furance in atomic
spectroscopy.(9%)
7.(a)Explain the following figure.(b)Why are the lines from a hollow-cathode
lamp generally narrower than the lines emitted by atom in a flame?(10%)
8.State five major types of chromatography.(15%)
9.Explain what is meant by spectral , chemical , ionization and isobaric
inference.(12%)
10.What is the effect of stationary phase film thickness on gas
chromatography?(4%)
11.What ate retention indexes ? Describe how they are determined.(10%)
12.Use the following figure to do the following(16%)
(a)Calculate the elution volume of the two peak.
(b)Calculate the capacity factors of the two peak
(c)Calculate the Wi(in time units) of the two peaks.
(d)Calculate the resolution of the two peak.
(e)Calculate the separation factor.
(f)What is the column efficiency?
(g)What is the HEPT of the column?
(h)If the column were doubled in length , what would the capacity factors
then be ?
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