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[Determination of sulfur in plant using a high-resolution continuum source atomic absorption spectrometer]
1National Research Center for Geoanalysis, Beijing 100037, China. wyrain68@163.com
Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|August 5, 2009
Summary
A new method analyzes plant sulfur using carbon monosulfide (CS) molecular absorption. This rapid, simple technique offers accurate sulfur determination in plant materials.
Area of Science:
- Analytical Chemistry
- Spectroscopy
Context:
- Accurate sulfur determination is crucial for plant nutrition and environmental monitoring.
- Traditional methods for sulfur analysis in plants can be time-consuming and complex.
Purpose:
- To develop and validate a novel method for analyzing sulfur in plant samples.
- To utilize high-resolution continuum source atomic absorption spectrometry (CS AAS) for sulfur determination via carbon monosulfide (CS) molecular absorption.
Summary:
- A method using CS AAS with a fuel-rich air/acetylene flame was developed for plant sulfur analysis.
- Optimized instrumental conditions, spectral and chemical interferences, organic solvent effects, and digestion procedures were investigated.
- A limit of detection of 14 mg/L was achieved, with results validated using plant standard reference materials.
Impact:
- Provides a rapid, easy, and simple method for sulfur determination in plant materials.
- Enhances the capabilities for analyzing sulfur content in plant leaves and other biological samples.
- Offers a valuable tool for agricultural and environmental research requiring precise sulfur quantification.
