When was FTIR invented?

1965
The Fourier Transform Fast Fourier transform method on which the modern FTIR spectrometer based was introduced to the world by Cooley and Turkey in 1965.

What is FTIR instrument?

A Fourier Transform InfraRed (FT-IR) Spectrometer is an instrument which acquires broadband Near InfraRed (NIR) to Far InfraRed (FIR) spectra. Unlike a dispersive instrument, i.e. a grating monochromator or spectrograph, FTIR spectrometers collect all wavelengths simultaneously.

What is the history of IR spectroscopy?

Infrared spectrophotometers were developed in the US in the mid 1940s. Initially, their applications were confined to R&D work on organic compounds, mainly in the petrochemical field. The first Japanese instruments were manufactured in 1954 by the Applied Optics Research Institute, the predecessor of JASCO.

What are the sources used in FTIR?

IR sources FTIR spectrometers are mostly used for measurements in the mid and near IR regions. For the mid-IR region, 2−25 μm (5,000–400 cm−1), the most common source is a silicon carbide (SiC) element heated to about 1,200 K (930 °C; 1,700 °F) (Globar). The output is similar to a blackbody.

What is the principle of FTIR?

FTIR spectrometers rely on the same basic principle as NDIR analyzers, i.e., the fact that many gases absorb IR radiation at species-specific frequencies. However, FTIR spectroscopy is a disperse method, which means that measurements are performed over a broad spectrum instead of a narrow band of frequencies.

What is the range of FTIR?

Fourier Transform Infrared spectrophotometers (FTIR) are mainly used to measure light absorption of so-called mid-infrared light, light in the wavenumber range of 4,000 to 400 cm-1 (wavelengths 2.5 to 25 µm), in order to identify and quantify various materials.

Why is FTIR used?

FTIR spectroscopy is used to quickly and definitively identify compounds such as compounded plastics, blends, fillers, paints, rubbers, coatings, resins, and adhesives. It can be applied across all phases of the product lifecycle including design, manufacture, and failure analysis.

Who discovered IR spectroscopy?

William W. Coblentz
The most important pioneer of IR spectroscopy was William W. Coblentz. In 1905 he published the result of a large study of compounds whose spectra he had recorded from 1000 nm to 16,000 nm.

What are the advantages of FTIR?

The benefits of upgrading to an FTIR from an existing dispersive infrared instrument will be immediately evident in spectral quality, data collection speed, reproducibility of data, and ease of maintenance and use.

Why is FTIR important?

FTIR is an excellent technique for pharmaceutical analysis because it is easy to use, sensitive, fast, and helps ensure regulatory compliance through validation protocols. Applications include: Basic drug research and structural elucidation.

What is the principal of FTIR?

Why KBr is used in FTIR?

KBr is used as a carrier for the sample in IR spectrum and it is optically transparent for the light in the range of IR measurement. So that no interference in absorbence would occur. KBr, has a transmittance of 100 % in the range of wave number (4000-400 cm-1).