Related Experiment Videos
Chelation ion chromatography as a method for trace elemental analysis in complex environmental and biological
A Siriraks1, H M Kingston, J M Riviello
1Center for Analytical Chemistry, National Institute of Standards and Technology, Gaithersburg, Maryland 20899.
Analytical Chemistry
|June 1, 1990
Summary
A novel chelation ion chromatography (Chelation IC) method effectively determines trace transition and rare-earth elements. This technique simplifies analysis in complex samples like seawater and digested materials.
Area of Science:
- Analytical Chemistry
- Environmental Science
Background:
- Determining trace elements in complex matrices is challenging.
- Conventional methods often struggle with interfering matrix components.
Purpose of the Study:
- To develop and evaluate a new method for trace transition and rare-earth element determination.
- To overcome limitations of existing ion chromatography and atomic spectroscopy techniques.
Main Methods:
- Development of chelation ion chromatography (Chelation IC).
- Utilizes a chelating column for pre-concentration and separation.
- Analyzes separated elements using ion chromatography.
Main Results:
- Chelation IC effectively separates target elements from matrix interferences.
- Enables determination of trace elements in complex matrices like seawater and digested biological, botanical, and geological samples.
- Eliminates interfering matrix components prior to ion chromatography analysis.
Conclusions:
- Chelation IC is a powerful technique for trace element analysis in difficult matrices.
- Offers improved accuracy and feasibility for previously unanalyzable samples.
- Advances capabilities in environmental and materials analysis.