Issue 5, 2021

4-Mercaptobenzoic acid as a MALDI matrix for highly sensitive analysis of metals

Abstract

4-Mercaptobenzoic acid (MBA) is introduced as a matrix for laser desorption/ionization time-of-flight mass spectrometry (MS) analysis of metals, exhibiting matrix-interference-free background, greatly enhanced MS signal intensity, and excellent reproducibility. The developed method was successfully extended for the rapid screening and sensitive determination of ultratrace metals in fine particulate matter (PM2.5).

Graphical abstract: 4-Mercaptobenzoic acid as a MALDI matrix for highly sensitive analysis of metals

Supplementary files

Article information

Article type
Communication
Submitted
06 яну 2021
Accepted
28 яну 2021
First published
28 яну 2021

Analyst, 2021,146, 1543-1547

4-Mercaptobenzoic acid as a MALDI matrix for highly sensitive analysis of metals

Q. Sun, S. Zhang, W. Huang, R. Wang, Z. Chen, Z. Cai and Z. Lin, Analyst, 2021, 146, 1543 DOI: 10.1039/D1AN00022E

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