FDS: spectroscopy UV Vis Flashcards

1
Q

OUTLINE

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What if the analytical signal is “light”?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Applications in spectroscopy are all based on what?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Quantum principles and spectroscopy For polyatomic molecules:

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

For polyatomic molecules: molecular orbitals are involved Transitions:

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Quantum principles and spectroscopy

delta E?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Quantum principles and spectroscopy

delta E based on the structure?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Quantum principles and spectroscopy For polyatomic molecules:

E total?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Visible and ultraviolet molecular absorption spectra consists of hundreds or thousand of what?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Visible light wavelength range

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Dependence on the nature of the species

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Magnitude of the absorption of radiation

transmittance

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Magnitude of the absorption of radiation (Lambert-)Beer’s Law

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

(Lambert-)Beer’s Law Molar absorptivity coefficient ε

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

(Lambert-)Beer’s Law: Deviations

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Deviations real factors

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Deviations Instrumental factors

possible source

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Deviations Instrumental factors • Polychromatic radiation

19
Q

Deviations Instrumental factors • Slit width

20
Q

Deviations Instrumental factors • Stray light

21
Q

Deviations Chemical factors

22
Q

Spectrophotometers Instrumentation Single versus double beam spectrophotometers

23
Q

Sources (line and continuum)

24
Q

Detectors

25
Errors (instrumental)
26
Errors (instrumental) where is the optimum?
27
Solvents
28
Suppose the question is :
29
Quantification of NH4 + general
30
Quantification of NH4 + conversion
31
Quantification of NH4 + Examples Hypochlorous acid (HOCl)
32
Quantification of NH4 + what is formed?
33
Quantification of NH4 + Examples Finally the oxidized species forms what?
34
Quantification of NH4 + sample prep
35
Quantification of NH4 + Examples UV/VIS procedure:
36
Quantification of NH4 + Examples Specificity
37
Quantification of NH4 + Examples Robustness of the method
38
Quantification of NH4 + method validation
39
Suppose the question is : H2O2
40
Quantification of H2O2 general
41
Quantification of H2O2 problem
42
Quantification of H2O2 linearity
43
Quantification of H2O2 result summary