Related Experiment Videos
Application of Laser-ICP-MS in environmental analysis
E Hoffmann1, C Lüdke, H Stephanowitz
1Laboratorium für spektroskopische Methoden der Umweltanalytik (LSMU), Institut für Spektrochemie und angewandte Spektroskopie (ISAS), Rudower Chaussee 5, D-12489, Berlin, Germany.
Analytical and Bioanalytical Chemistry
|July 1, 1996
Summary
Laser sampling inductively coupled plasma mass spectrometry (LA-ICP-MS) enables precise trace element analysis in environmental samples. This method addresses challenges in solid sampling for accurate determination in plant ash and oak tree rings.
Area of Science:
- Environmental Science
- Analytical Chemistry
- Geochemistry
Background:
- Solid sampling in environmental analysis presents significant challenges for accurate elemental quantification.
- Optimizing instrumental conditions and ensuring sample representativeness are critical for minimizing signal fluctuations.
Purpose of the Study:
- To quantitatively determine trace elements in environmentally significant samples using laser sampling inductively coupled plasma mass spectrometry (LA-ICP-MS).
- To address the analytical challenges associated with solid sampling for environmental applications.
Main Methods:
- Utilized laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) for direct elemental analysis.
- Developed and optimized instrumental conditions for trace element determination in solid matrices.
- Implemented calibration strategies suitable for solid sample analysis.
Main Results:
- Successfully determined trace elements in plant ash samples.
- Achieved direct determination of elements within the growth rings of oak trees, providing historical environmental data.
- Demonstrated the feasibility of LA-ICP-MS for complex environmental matrices.
Conclusions:
- LA-ICP-MS is a powerful technique for trace element analysis in solid environmental samples.
- Careful optimization of instrumental parameters and calibration methods are essential for reliable results.
- The study highlights the utility of LA-ICP-MS for environmental monitoring and historical ecological studies.