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Questions and Answers
What is the purpose of modulating the radiation source in atomic absorption spectroscopy?
What is the purpose of modulating the radiation source in atomic absorption spectroscopy?
- To discriminate between the radiation from the hollow cathode lamp and the radiation given off by excited atoms in the flame (correct)
- To increase the intensity of the radiation
- To improve the sensitivity of the instrument
- To reduce the noise from the detector
What is the main purpose of using a chopper in atomic absorption spectroscopy?
What is the main purpose of using a chopper in atomic absorption spectroscopy?
- To increase the intensity of the radiation
- To modulate the radiation source (correct)
- To reduce the noise from the detector
- To improve the sensitivity of the instrument
What type of interference is more common in atomic absorption spectroscopy?
What type of interference is more common in atomic absorption spectroscopy?
- Spectral interference
- Chemical interference (correct)
- Instrumental interference
- Physical interference
What is the effect of formation of low volatility compounds in atomic absorption spectroscopy?
What is the effect of formation of low volatility compounds in atomic absorption spectroscopy?
How can the effects of low volatility compounds be minimized in atomic absorption spectroscopy?
How can the effects of low volatility compounds be minimized in atomic absorption spectroscopy?
What is the purpose of adding releasing agents in atomic absorption spectroscopy?
What is the purpose of adding releasing agents in atomic absorption spectroscopy?
What type of complex is formed between Mg and Al in atomic absorption spectroscopy?
What type of complex is formed between Mg and Al in atomic absorption spectroscopy?
What is the effect of chopper modulation on the detector signal in atomic absorption spectroscopy?
What is the effect of chopper modulation on the detector signal in atomic absorption spectroscopy?
What is the purpose of using a mechanical chopper in atomic absorption spectroscopy?
What is the purpose of using a mechanical chopper in atomic absorption spectroscopy?
What type of radiation is given off by excited atoms in the flame in atomic absorption spectroscopy?
What type of radiation is given off by excited atoms in the flame in atomic absorption spectroscopy?
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