Week 12: Flame Emission Spectroscopy & Atomic Absorption Spectroscopy Flashcards
(30 cards)
What is the basic principle behind Flame Emission Spectroscopy?
How does FES differ from Atomic Absorption Spectroscopy (AAS)?
What are the common types of flames used in FES, and what are their characteristics?
What is the role of the monochromator in an FES instrument?
How is the intensity of emitted light measured in FES?
What are the main interferences that can affect FES measurements, and how can they be minimized?
What are the advantages and limitations of FES compared to AAS?
What types of samples are typically analyzed using FES?
How is a calibration curve constructed in FES, and how is it used to determine unknown concentrations?
What is the difference between a flame photometer and an FES spectrometer?
What is the basic principle behind Atomic Absorption Spectroscopy?
How does AAS differ from Flame Emission Spectroscopy (FES)?
What is the role of the hollow cathode lamp in AAS?
What are the different types of atomizers used in AAS, and what are their advantages and disadvantages?
How is the absorbance of light measured in AAS?
What is Beer’s Law, and how is it applied in AAS?
What are the main interferences that can affect AAS measurements, and how can they be minimized?
What are the advantages and limitations of AAS compared to FES?
What types of samples are typically analyzed using AAS?
How is a calibration curve constructed in AAS, and how is it used to determine unknown concentrations?
What are the similarities and differences between FES and AAS in terms of instrumentation?
Which technique, FES or AAS, is generally more sensitive for most elements?
Which technique, FES or AAS, is more susceptible to chemical interferences?
Which technique, FES or AAS, is more commonly used for routine analysis?
