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Questions and Answers
Which of the following is NOT a component of mass spectrometry?
Which of the following is NOT a component of mass spectrometry?
- Detection of ions using a microscope (correct)
- Separation of ions based on mass-to-charge ratio
- Choice of ionization method based on sensitivity required
- Ionization of molecules
Which of the following is a method used for designing a mass analyzer in mass spectrometry?
Which of the following is a method used for designing a mass analyzer in mass spectrometry?
- Reflection of sound waves
- Magnetic fields (correct)
- Refraction of light
- Absorption of heat
What is the main purpose of mass spectrometry?
What is the main purpose of mass spectrometry?
- To determine the temperature of molecules
- To determine the shape of molecules
- To determine the molecular weight and composition of molecules (correct)
- To determine the color of molecules
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Study Notes
- Mass spectrometry determines molecular weight and composition of molecules
- It is widely used in chemistry, biology, and material science
- The process involves ionization of molecules using various methods
- Separation of ions is done based on mass-to-charge ratio using a mass analyzer
- Detection of ions is done using a detector, resulting in a mass spectrum
- Choice of ionization method depends on molecule being analyzed and sensitivity required
- Mass analyzer can be designed using magnetic fields, electric fields, or time-of-flight
- Detector can be a Faraday cup or an electron multiplier
- Mass spectrometry is a powerful analytical tool that has revolutionized many fields
- It provides information about molecular weight and chemical composition of sample.
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