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Fourier Testing Services

Are you seeking ways to determine precise material composition, identify contaminants and provide better quality control when it comes to your products? FTIR analysis can make that possible.

Fourier Transform Infrared Spectroscopy, commonly known as FTIR Analysis, is one of the most popular materials analysis services offered by Innovatech Labs. Its substantial utility comes from the ability to solve materials characterization and chemical analysis issues in a wide variety of industries and cases.

Gain a better understanding of How FTIR Spectroscopy Works and learn more with an Overview of FTIR Spectroscopy.

Uses of FTR Analysis:

Material Identification:

Matches the IR absorption spectrum with standard databases of reference spectra to determine the identity of the material being analyzed.


Concentration of a compound can be determined by establishing a standard curve of known concentrations.

Unique Capabilities:

Identifying unknown organic compounds in solid, liquid, or gaseous form and quantifying known organic compounds.

Learn More About Your FTIR Application:

Advantages & Disadvantages of FTIR Analysis

Samples as small as 10-20 microns can be supplied for FTIR analysis using the microscope attachment, and the sample can often be analyzed with little or no harm. The sample requirements allow for identification of sample particles, residues, films, or fibers.

FTIR is a bulk analysis method, so small amounts of one material mixed in with a larger amount of another may not be seen and combinations of unknowns can be difficult to identify. These limitations can be overcome using chemical extractions and/or spectral subtractions to isolate the smaller constituents or individual components of a mixture.

Find the best material analysis technique for your application:

Popular Applications of FTIR Analysis

FTIR analysis is a chemical testing technique that is used to identify organic-and in some cases inorganic-materials based on their absorbance of infrared light. FTIR analysis has a variety of applications. Today, the technique is often used by manufacturers to identify any particles, residues, films and fibers that can affect product quality, safety or function.

Polymer Testing

The quality of a plastic product depends on the quality of the polymers used during the manufacturing process. FTIR analysis can be a useful tool to identify additives in a polymer, especially when they can be chemically removed (e.g. solvent extraction). FTIR can also identify surface contamination on a sample.

Quality Control

FTIR is a particularly precise tool for identifying unknown material and enhancing quality control, making FTIR analysis an incredibly useful tool for manufacturers. For instance, FTIR can also help identify and, in some cases quantify, potentially harmful chemicals and contaminants on products such as electronics, toys, medical devices and food service items.

Example 1: The packaging materials used today have many different layers; FTIR can be used to identify the various layers in a packaging material. FTIR analysis can also be used to identify the chemical makeup of a material or identify contaminants contributing to a quality issue.

Example 2: A company needed to ensure that a recent shipment of beach balls were free of polyvinyl chloride (PVC) and phthalates before sending them off to be sold. FTIR analysis determined that the beach balls did in fact contain PVC, which allowed the company to avoid a product recall.

FTIR Sample Preparation & Requirements:

  • Sample size - varied, as small as 20 microns.
  • Vacuum compatibility not an issue, samples may be liquid, solid, or gaseous form.
  • Thin organic films on a reflective surface (e.g. gold) can be analyzed using the reflectance mode of the microscope.
  • The outer 1-10 microns of a material can be analyzed using attenuated total reflectance (ATR)
  • Typical analysis time - ½ hour per sample. Preparation times for quantification may take longer.

Learn More About FTIR:

Contact Innovatech Labs for More Information

Every project is unique, so we invite you to contact one of our highly skilled analysts to discuss your specific needs. Contact us today by email or phone 888-740-5227.