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Recent trends and developments in laser ablation-ICP-mass spectrometry
D Günther1, I Horn, B Hattendorf
1Laboratorium für Anorganische Chemie, ETH Zürich, Switzerland.
Fresenius' Journal of Analytical Chemistry
|February 28, 2001
Summary
Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) utilizes various laser wavelengths for elemental analysis of solids. Different laser types and wavelengths offer flexibility but require optimization for specific sample types.
Area of Science:
- Analytical Chemistry
- Materials Science
- Spectroscopy
Background:
- Laser technology advancements drive new applications in analytical chemistry.
- Solid-state and UV gas lasers are increasingly integrated with mass spectrometry for elemental analysis.
Purpose of the Study:
- To review successful laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) systems.
- To highlight applications of different laser wavelengths in elemental and isotopic analysis of solids.
Main Methods:
- Investigation of solid-state lasers (Nd:YAG) and UV gas lasers (excimer lasers) for laser ablation.
- Coupling of laser ablation systems with inductively coupled plasma mass spectrometers (ICP-MS).
- Application of various laser wavelengths (e.g., 266 nm, 193 nm) for elemental and isotope ratio determination.
Main Results:
- Different laser wavelengths (1064 nm to 157 nm) and laser types enable flexible elemental analysis.
- Laser ablation behavior varies significantly with sample type and laser wavelength.
- Successful applications demonstrated using 266 nm and 193 nm laser ablation systems.
Conclusions:
- LA-ICP-MS offers versatile capabilities for qualitative and quantitative elemental and isotope analysis.
- Optimization of laser parameters and wavelength is crucial for effective solid sample analysis.
- The choice of laser wavelength impacts the ablation process and analytical outcomes.