Agilent MassHunter Qualitative Data Analysis - Spectrum Functions
Summary
Importance of the Topic
Mass spectrometry–based qualitative data analysis software is essential for interpreting complex datasets in research, quality control, and industrial laboratories. Efficient tools for spectrum extraction, accurate mass calibration, annotation, and reporting accelerate decision making and ensure confidence in compound identification.
Study Objectives and Overview
This presentation introduces the key features of Agilent MassHunter Qualitative Analysis Software B.07.00. It describes chromatogram and spectrum handling, accurate mass considerations, annotation tools, report generation, file management options, and available training resources.
Methodology and Instrumentation
• Software platform: Agilent MassHunter Qualitative Analysis B.07.00
• Data sources: LC-MS and GC-MS raw files imported into the software
• Key functions reviewed:
- Chromatogram functions: integration and peak detection
- Spectrum display: spectrum preview, extraction of single-scan and averaged spectra
- Background subtraction: manual and current background correction
- Peak filtering and peak list generation
- Accurate mass tools: isotope modeling, recalibration on user spectra
- Annotation: text, graphics, molecular structures, delta-mass calipers
- Reporting: Excel-based (xltx) and PDF-based (xslt) compound and analysis reports
- File save options: minimal vs. complete results file
Main Results and Discussion
The webinar demonstrates streamlined workflows for extracting high-quality spectra from chromatographic peaks, applying isotope models suited to small molecules or high-molecular-weight analytes, and achieving sub-ppm mass accuracy through in-software recalibration. Interactive annotation tools allow anchoring or floating labels, insertion of molecular images, and automated delta-mass calculations. Reporting templates can be customized and automated via worklist actions.
Benefits and Practical Applications
• Rapid review and archival of qualitative results with embedded spectra and methods
• Enhanced data curation through interactive spectral tools and background subtraction
• Flexible reporting formats for regulatory compliance and client deliverables
• Scalable workflows from routine QA/QC to advanced research projects
Future Trends and Applications
• Integration of machine-learning algorithms for automated compound annotation
• Cloud-based collaboration for distributed laboratory networks
• Enhanced spectral libraries with real-time updates and community sharing
• Expanded support for novel ion sources and high-throughput screening
Conclusion
Agilent MassHunter Qualitative Analysis B.07.00 delivers a comprehensive software solution for qualitative MS data processing. Its modular tools for spectrum extraction, accurate mass calibration, annotation, and reporting enable robust workflows across diverse analytical applications.
References
No literature references were provided in the source material.
Content was automatically generated from an orignal PDF document using AI and may contain inaccuracies.
Agilent MassHunter
Qualitative Data
Analysis
Presenters: Howard Sanford
Stephen Harnos
MassHunter Qualitative Analysis
Spectrum Functions
MassHunter Webinar Series
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MassHunter Qualitative Analysis Software B.07.00
Topics
• Review Chromatogram Functions
• Spectrum Functions
- Spectral Display
- Extract a Spectrum and Averaging
- Background Subtraction (MS Spectrum)
• Accurate Mass Considerations
- Isotopic Model
• Spectrum Peak List
• Annotation
- Text and Graphics
- Anchoring and Floating
• Report Generation
- Analysis and Compound Reports
• File Save Options
• Tools
• Training Resources
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MassHunter Webinar Series
Mass Spectral Display Options
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MassHunter Webinar Series
Spectra Display – MS Spectrum Results
When the Spectrum Results tool is
selected, the spectrum is displayed and
sent to the Data Navigator. The
selected spectrum can be saved with
the data file.
Spectrum Results Selected
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MassHunter Webinar Series
Spectrum Display - Preview
When Spectrum Preview
is selected, spectra are
not saved to the Data
Navigator automatically.
Preview
Easily preview spectra
before saving to the
Data Navigator.
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MassHunter Webinar Series
Add Preview Spectrum to Results
•Right-click
•Select Copy to User Spectra
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MassHunter Webinar Series
Extract Single Scan Spectrum
Extract Spectra
•Double-click on data
point.
•Right-click on data
point then, Extract
Spectrum.
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MassHunter Webinar Series
Extract Averaged Spectra
Use Select Range tool
then drag across region
for spectral averaging.
Double-click to view aver-
aged spectrum.
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MassHunter Webinar Series
Background Subtraction for Manual Spectra
Use the Ctrl Key
to average multiple
range selections then
Extract Spectrum.
Change manual spectrum
background to Current
background spectrum
.
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MassHunter Webinar Series
Background Subtraction for Manual Spectra
Description indicates
subtraction occurred.
Extract Spectrum
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Extract Peak Spectrum
Extract an averaged spectrum
from a chromatographic peak
automatically. Must integrate
to define chromatographic peaks.
Integrate the chromatogram
to locate chromatographic
peaks. Four step process.
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MassHunter Webinar Series
Extract Peak Spectrum
Set up Peak Spectra
Extraction
Enable Peak Select tool.
Double-click on peak.
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MassHunter Webinar Series
Extract Peak Spectra Automatically
Select Integrate and Extract
Peak Spectra
from the menu.
Spectra Results from each Integrated Peak
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MassHunter Webinar Series
Considerations for Accurate Mass Data
Using Extract Peak Parameters – Saturation
Change 5%
Change 20%
For very narrow
chromatographic peaks
that are completely
saturated you may
have to turn this
function off or error
occurs: No Data
Found.
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MassHunter Webinar Series
Using Extract Peak Parameters – Isotope Model
Chose Isotope model that
Corresponds to workflow.
Common organic molecules
Peptides
Unbiased
Glycans
For Small Molecule Applications: Set to 2
For High Molecular Weight Apps: Uncheck or Max 10
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MassHunter Webinar Series
Extract Spectra – Peak Filters
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Context Sensitive Help
?
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MassHunter Webinar Series
Walk Chromatogram
Walk Chromatogram
Use left and right
arrows on keyboard
to step through
spectra.
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