Fourier transform infrared spectroscopy, FTIR

FTIR analysis helps clients understand materials and products. Analytical testing sample screens, profiles and data interpretation are available on a global basis from our experts who deploy FTIR to identify chemical compounds in consumer products, paints, polymers, coatings, pharmaceuticals, foods and other products. Laboratories with FTIR expertise are located throughout the Intertek global laboratory network. 

FTIR offers quantitative and qualitative analysis for organic and inorganic samples. Fourier Transform Infrared Spectroscopy (FTIR) identifies chemical bonds in a molecule by producing an infrared absorption spectrum. The spectra produce a profile of the sample, a distinctive molecular fingerprint that can be used to screen and scan samples for many different components. FTIR is an effective analytical instrument for detecting functional groups and characterizing covalent bonding information. 

FTIR can be used with other molecular spectroscopy techniques available in Intertek laboratories, including  Diffuse Reflectance Infrared Fourier Transform Spectroscopy (DRIFTS), Infrared-spectroscopy coupled to Thermogravimetric Analysis (FTIR/TGA), Nuclear Magnetic Resonance Spectroscopy (NMR), Gas Chromatography - Mass Spectrometry (GC/MS), Liquid Chromatography - Mass Spectrometry (LC/MS), UV/Vis spectroscopy, Near Infra Red (NIR) and Raman scattering. FTIR combined with these techniques provides complementary data regarding a molecule's molecular structure. 

FTIR analysis 

  • Quantitative Scans, Qualitative Scans

  • Solids, Liquids, Gases

  • Organic Samples, Inorganic Samples

  • Unknowns Identification

  • Impurities Screening

  • Formulation, Deformulation

  • Pharmaceuticals

  • Paints, Coatings, Laminates

  • Polymers and Plastics

  • Contamination Analysis

  • Contamination Analysis with FTIR


  • Personal care products

  • Toxicity Screening

  • Metals

  • FTIR Gas Calibrations

  • Contamination

  • and other materials and products

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