A simple desorption atmospheric pressure chemical ionization method for enhanced non-volatile sample analysis

Area of Science:

• Analytical Chemistry
• Mass Spectrometry

Background:

• Conventional mass spectrometry techniques often require extensive sample preparation and can be time-consuming.
• Analyzing a wide range of sample types, from volatile to non-volatile and biological, presents challenges in sample introduction and ionization.

Purpose of the Study:

• To study and optimize a simple desorption atmospheric pressure chemical ionization (SDAPCI) source.
• To evaluate the applicability of SDAPCI for analyzing diverse sample matrices.

Main Methods:

• Utilized a heated mass inlet for sample desorption.
• Employed a solid needle for corona discharge generation for ionization.
• Investigated the SDAPCI source without requiring additional gases or heaters.

Main Results:

• Demonstrated high sensitivity, requiring only small sample amounts.
• Achieved easy and fast sample loading and mass spectrometry analysis.
• Successfully analyzed various sample types, including non-volatile and volatile compounds.
• Showcased the potential for high-throughput analysis with minimal sample preparation.

Conclusions:

• The optimized SDAPCI source is a versatile and efficient tool for analyzing a broad spectrum of samples.
• SDAPCI offers a simplified, rapid, and sensitive approach for mass spectrometry, reducing sample preparation needs.