Fourier Transform Infrared (FTIR) Spectroscopy
Fourier Transform Infrared (FTIR) spectroscopy measures how molecules absorb infrared light to generate a unique molecular fingerprint that reveals chemical structure, functional groups, and bonding environments. This spectral information enables rapid identification and comparison of materials based on their chemical composition.
At Materials Metric, FTIR spectroscopy is widely used for polymer composition analysis, contamination detection, degradation and oxidation assessment, coating and adhesive evaluation, and biomaterial or hydrogel characterization. Our FTIR workflows deliver fast, non-destructive chemical insights that support materials development, quality control, failure analysis, and regulatory documentation across diverse material systems.
Use of FTIR
FTIR helps researchers:
• Identify organic and polymeric compounds
• Confirm raw material identity
• Detect contamination, residues, or unexpected functional groups
• Evaluate oxidation, hydrolysis, and degradation
• Analyze curing, crosslinking, or reaction completion
• Compare materials before/after sterilization, aging, or processing
Applications of FTIR
- Polymers & Plastics: functional-group identification, degradation
- Biomaterials & Hydrogels: crosslinking, chemical interactions
- Coatings & Adhesives: curing, bonding chemistry
- Pharmaceuticals: excipient and formulation verification
- Surface Analysis: contamination and residue mapping
Sample Analysis Process
1. Submission & Objective Review
- Identify expected chemical structure and analysis goals
- Choose analysis mode (ATR, transmission, or KBr pellet)
2. Sample Preparation
ATR Mode:
- Most materials tested as-is
- Solids, liquids, gels placed directly on ATR crystal
- No dissolution required
Transmission Mode:
- Thin films or microtomed slices used
- Powders can be pressed into KBr pellets (mixed and pressed—no dissolution)
Notes:
- Dissolution not required unless preparing residues
- Moisture-sensitive samples handled carefully
3. FTIR Measurement
- Full spectral collection from 4000–400 cm⁻¹ (range may vary by instrument)
- Background correction and spectral normalization
4. Data Processing & Reporting
- Functional-group identification
- Peak assignment and interpretation
- Comparison to reference spectra
- Annotated spectral reports
Why Choose Materials Metric for Your FTIR Analysis
Materials Metric delivers high-clarity infrared spectral analysis for advanced chemical and structural characterization.
Our FTIR services include:
- ATR, transmission, and KBr pellet capabilities for complete material compatibility
- Expert functional-group interpretation for polymers, biomaterials, and coatings
- Degradation, oxidation, and curing analysis with detailed chemical insight
- Comparison against expected spectra or known standards
- Regulatory-aligned reporting suitable for ISO 10993, FDA submissions, and quality control
We ensure your FTIR data yields clear chemical answers, not just spectral output.