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Questions and Answers
What is the main advantage of inductively coupled plasma-mass spectrometry (ICP-MS)?
What is the main advantage of inductively coupled plasma-mass spectrometry (ICP-MS)?
- Inability to automate the process
- High detection limits and multi-element capability (correct)
- Limited applicability in environmental and medical fields
- Low cost and affordability
What is the role of quadrupole ICP-MS?
What is the role of quadrupole ICP-MS?
- It is used to determine a single element in a specific sample type
- It is primarily used for medical and biological applications
- It is only applicable in industrial and archaeological applications
- It is used to determine element concentrations in a diverse range of sample types (correct)
What is the key principle of elemental differentiation in ICP-MS?
What is the key principle of elemental differentiation in ICP-MS?
- Atomic number
- Electron configuration
- Atomic weight (correct)
- Molecular structure
Why must atoms be ionized in the process of ICP-MS?
Why must atoms be ionized in the process of ICP-MS?
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What is the temperature condition of the inductively coupled plasma (ICP) used in ICP-MS?
What is the temperature condition of the inductively coupled plasma (ICP) used in ICP-MS?
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Study Notes
ICP-MS Overview
- The main advantage of inductively coupled plasma-mass spectrometry (ICP-MS) is its ability to detect and quantify extremely low concentrations of elements in a sample.
Quadrupole ICP-MS
- The role of quadrupole ICP-MS is to separate and filter ions based on their mass-to-charge ratio, allowing for simultaneous detection of multiple elements.
Elemental Differentiation
- The key principle of elemental differentiation in ICP-MS is based on the difference in mass-to-charge ratio of ions, which enables the detection of specific elements.
Ionization
- Atoms must be ionized in the process of ICP-MS to create charged particles (ions) that can be detected and analyzed by the mass spectrometer.
ICP Conditions
- The inductively coupled plasma (ICP) used in ICP-MS operates at extremely high temperatures, typically exceeding 8,000°C, to ionize the sample atoms.
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Description
Learn about the applications of inductively coupled plasma-mass spectrometry (ICP-MS) in various fields such as environmental, medical, biological, industrial, and archaeological studies. Understand the use of quadrupole ICP-MS for determining element concentrations in different sample types.
