Inductively coupled plasma mass spectrometry (ICP MS): a versatile tool

Area of Science:

• Analytical Chemistry
• Environmental Science
• Materials Science
• Life Sciences

Background:

• Inductively coupled plasma (ICP) mass spectrometry (MS) is a widely adopted technique in various scientific disciplines and industries.
• The plasma environment provides efficient atomization and ionization for diverse sample types and matrices.
• Key advantages include high sensitivity (ppt-ppq), salt tolerance, and compound-independent element response.

Purpose of the Study:

• To present the fundamental principles and advantages of ICP-MS.
• To highlight the capabilities of ICP-MS in trace element detection, identification, and quantification.
• To showcase the extended molecular identification potential when ICP-MS is coupled with separation techniques.

Main Methods:

• Utilizes inductively coupled plasma as an atomizer and ionizer.
• Employs mass spectrometry for sensitive detection and quantification of elements.
• Explores hyphenation with species-specific separation techniques for molecular analysis.

Main Results:

• ICP-MS demonstrates unchallenged performance in detecting, identifying, and quantifying trace elements with high accuracy.
• The technique offers exceptional sensitivity, reaching parts-per-trillion (ppt) to parts-per-quadrillion (ppq) levels.
• Hyphenated ICP-MS extends capabilities for molecular identification, complementing traditional molecular MS.

Conclusions:

• ICP-MS is an efficient and highly sensitive tool for target-element-oriented discoveries.
• It is invaluable for identifying and quantifying relevant, even unknown, compounds.
• The technique's versatility makes it indispensable across numerous research and industrial applications.