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Questions and Answers
What is the primary function of a mass spectrometer?
What happens to atoms when they become ions?
What is the basis for separating ions in a mass spectrometer?
What is recorded or measured at the end of the mass spectrometry process?
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What is the term for a group of electrically charged atoms?
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What is the primary goal of ionizing a gas phase molecule in a mass spectrometer?
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What is the result of an atom losing or gaining electrons?
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What is the relationship between the mass and charge of an ion in a mass spectrometer?
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What is the final step in the mass spectrometry process?
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What is an ionic species?
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Study Notes
Mass Spectrometry
- A mass spectrometer generates charged molecules or fragments of an analyte in a gas phase.
- The objective of a mass spectrometer is to ionize a gas phase molecule and analyze the masses of its produced ions.
Ionization
- Ions are electrically charged atoms or groups of atoms formed when atoms lose or gain electrons.
- Atoms can become negatively charged (gain electrons) or positively charged (lose electrons) ions.
Separation and Detection
- Produced ions are separated according to their mass-to-charge ratio (m/z).
- The relative abundance of each ionic species present is recorded (measured) after separation.
Mass Spectrometry
- A mass spectrometer generates charged molecules or fragments of an analyte in a gas phase.
- The objective of a mass spectrometer is to ionize a gas phase molecule and analyze the masses of its produced ions.
Ionization
- Ions are electrically charged atoms or groups of atoms formed when atoms lose or gain electrons.
- Atoms can become negatively charged (gain electrons) or positively charged (lose electrons) ions.
Separation and Detection
- Produced ions are separated according to their mass-to-charge ratio (m/z).
- The relative abundance of each ionic species present is recorded (measured) after separation.
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Description
Learn about the fundamentals of mass spectrometry, including ionization, separation, and detection of ions. Understand how mass spectrometers work and their applications.
