PTR-MS and GC-MS as complementary techniques for analysis of volatiles: A tutorial review

Area of Science:

• Analytical Chemistry
• Instrumental Analysis
• Mass Spectrometry

Background:

• The combined application of Gas Chromatography-Mass Spectrometry (GC-MS) and Proton Transfer Reaction-Mass Spectrometry (PTR-MS) is a relatively recent analytical approach, emerging after the year 2000.
• Despite its potential advantages, this combined technique has not been widely adopted in scientific research.
• Understanding the complementary nature of GC-MS and PTR-MS is crucial for maximizing their utility.

Purpose of the Study:

• To critically review and elaborate on the combined utilization of GC-MS and PTR-MS.
• To provide a tutorial guide for researchers interested in employing this dual analytical strategy.
• To explore the concept of complementarity between GC-MS and PTR-MS in detail.

Main Methods:

• Critical commentary on the synergistic application of GC-MS and PTR-MS.
• Detailed examination of the complementary capabilities of each technique.
• Discussion of the practical aspects, advantages, and disadvantages of combined use.

Main Results:

• The review emphasizes the significant potential for complementary data acquisition when using GC-MS and PTR-MS together.
• Specific examples illustrate how these techniques can overcome individual limitations and provide a more comprehensive analysis.
• The article outlines the current applications where this combined approach has been successfully implemented.

Conclusions:

• The combined use of GC-MS and PTR-MS offers enhanced analytical power through complementary detection and characterization.
• This tutorial review aims to encourage broader adoption by demystifying the combined approach and highlighting its benefits.
• Further research and application are warranted to fully exploit the synergistic potential of GC-MS and PTR-MS in various scientific fields.