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Updated: Mar 27, 2026

Analysis of Complex Molecules and Their Reactions on Surfaces by Means of Cluster-Induced Desorption/Ionization Mass Spectrometry
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Matrix-Assisted Plasma Atomization Emission Spectrometry for Surface Sampling Elemental Analysis.

Xin Yuan1, Xuefang Zhan2, Xuemei Li2

  • 1Research Center of Analytical Instrumentation, College of Chemistry, Sichuan University, Chengdu, China, 610064.

Scientific Reports
|January 15, 2016
PubMed
Summary

A new optical spectrometric method, matrix-assisted plasma atomization emission spectrometry (MAPAES), enables sensitive elemental analysis using filter paper. This cost-effective technique offers fast, low-sample-volume analysis with high accuracy.

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Area of Science:

  • Analytical Chemistry
  • Spectroscopy
  • Materials Science

Background:

  • Traditional elemental analysis methods often require extensive sample preparation and large sample volumes.
  • Developing sensitive and rapid surface sampling techniques remains a challenge in atomic spectrometry.

Purpose of the Study:

  • To introduce a novel, simple, and sensitive optical spectrometric method for elemental analysis.
  • To demonstrate the efficacy of filter paper as a matrix for sample introduction and energy transfer in plasma spectrometry.

Main Methods:

  • Developed matrix-assisted plasma atomization emission spectrometry (MAPAES) utilizing filter paper (FP) for sample introduction.
  • Analyzed elemental samples by direct interaction of plasma tail plume with the FP matrix.
  • Promoted atomization and excitation via FP energy absorption and combustion heating.

Main Results:

  • Successfully observed matrix-assisted plasma atomization excitation for multiple elements.
  • Achieved qualitative and quantitative determination of metal ions (Ba, Cu, Eu, In, Mn, Ni, Rh, Y) via atomic emission.
  • Obtained detection limits down to picogram (pg) levels with correlation coefficients > 0.99.

Conclusions:

  • MAPAES offers a new approach in atomic spectrometry with advantages in speed, sample consumption, and pretreatment.
  • The FP matrix effectively functions as both an energy producer and sample substrate.
  • The method is cost-effective, suitable for small-scale, rapid elemental analysis.