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Application & Methods of Instrumental Analysis in Chemistry > Week 12: Flame Emission Spectroscopy & Atomic Absorption Spectroscopy > Flashcards

Week 12: Flame Emission Spectroscopy & Atomic Absorption Spectroscopy Flashcards

1
Q

What is the basic principle behind Flame Emission Spectroscopy?

A
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2
Q

How does FES differ from Atomic Absorption Spectroscopy (AAS)?

A
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3
Q

What are the common types of flames used in FES, and what are their characteristics?

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4
Q

What is the role of the monochromator in an FES instrument?

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5
Q

How is the intensity of emitted light measured in FES?

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6
Q

What are the main interferences that can affect FES measurements, and how can they be minimized?

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7
Q

What are the advantages and limitations of FES compared to AAS?

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8
Q

What types of samples are typically analyzed using FES?

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9
Q

How is a calibration curve constructed in FES, and how is it used to determine unknown concentrations?

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10
Q

What is the difference between a flame photometer and an FES spectrometer?

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11
Q

What is the basic principle behind Atomic Absorption Spectroscopy?

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12
Q

How does AAS differ from Flame Emission Spectroscopy (FES)?

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13
Q

What is the role of the hollow cathode lamp in AAS?

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14
Q

What are the different types of atomizers used in AAS, and what are their advantages and disadvantages?

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15
Q

How is the absorbance of light measured in AAS?

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16
Q

What is Beer’s Law, and how is it applied in AAS?

A
17
Q

What are the main interferences that can affect AAS measurements, and how can they be minimized?

A
18
Q

What are the advantages and limitations of AAS compared to FES?

A
19
Q

What types of samples are typically analyzed using AAS?

A
20
Q

How is a calibration curve constructed in AAS, and how is it used to determine unknown concentrations?

A
21
Q

What are the similarities and differences between FES and AAS in terms of instrumentation?

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22
Q

Which technique, FES or AAS, is generally more sensitive for most elements?

A
23
Q

Which technique, FES or AAS, is more susceptible to chemical interferences?

A
24
Q

Which technique, FES or AAS, is more commonly used for routine analysis?

A
25
Q

When might you choose to use FES over AAS, and vice versa?

A
26
Q

How is FES used in the analysis of soil and plant samples?

A
27
Q

How is AAS used in the analysis of environmental samples, such as water and air?

A
28
Q

How is FES used in the clinical diagnosis of electrolyte imbalances?

A
29
Q

How is AAS used in the quality control of pharmaceutical products?

A
30
Q

What are some emerging applications of FES and AAS in research and industry?

A

Application & Methods of Instrumental Analysis in Chemistry (13 decks)

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