FTIR-Lab v3.1

FTIR Lab v3.1

A free, beginner-friendly desktop application for processing, annotating, and exporting publication-ready FTIR spectra.

Highlights

• Windows, macOS, and Linux packages
• Automatic live plot preview
• Responsive typography for publication figures
• Automatic chemical subscripts: CaCl₂, SiO₂, and B₂O₃
• Individually editable peak labels and custom annotations
• Exportable analysis summary and processing provenance
• Improved literature-guided functional-group suggestions
• Complete offline Quran library with 6,236 verses
• Permanent automated scientific regression tests
• New FTIR Lab branding

Installation

Download the package for your operating system and extract it completely.

Windows

Open the extracted folder and double-click FTIR Lab v3.1.exe.

macOS

Open the extracted folder and launch the FTIR Lab executable.

If macOS blocks the unsigned application:

1. Open System Settings → Privacy & Security.
2. Find the FTIR Lab security message.
3. Click Open Anyway.

Linux

Open a terminal inside the extracted folder and run:

chmod +x "FTIR Lab v3.1"
./"FTIR Lab v3.1"

Python installation is not required for the packaged applications.

FTIR Lab is not currently digitally signed. Your operating system may display a security warning when the application is opened for the first time.

Scientific Note

Functional-group assignments are literature-guided suggestions, not definitive chemical identification. Verify interpretations using sample chemistry, controls, the complete spectrum, and appropriate literature.

FTIR Lab v3.1 passes eight automated scientific and data-integrity tests.

FTIR-Lab v3.0.1

Maintenance release.

Changes:

• Improved documentation.
• Updated release package.
• Minor fixes.

FTIR Lab v3.0

FTIR-Lab v3.0

First public release.

Features

• Publication-quality FTIR plotting
• Baseline correction (AsLS)
• Savitzky-Golay smoothing
• Automatic peak detection
• Functional-group assignment
• Publication-ready figure export
• Excel export
• Portable project files
• Beginner-friendly workflow

Windows executable included.

Licensed under GPL v3.