Home > Chemical Detection > Technology > Molecular Spectroscopy > Mid-infrared Spectroscopy (MIR)

Mid-infrared spectroscopy (MIR) is a vibrational spectroscopy technique that identifies chemicals based on the interaction of molecules with electromagnetic radiation in the mid-infrared region (400-4000 cm-1). Infrared spectroscopy identifies chemicals based on the absorption of specific wavelengths of mid-infrared light by a molecule. Molecular absorbances of mid-infrared light cause molecular rotations and vibrations and are classified by chemical functional groups. The resulting MIR spectrum produced is characteristic for a given molecule.

Infrared open-path systems send out a beam of infrared light through open air, detecting target gases along the path of the beam. This linear 'sensor' is typically a few meters up to a few hundred meters in length. Point analysis (“benchtop”) systems are used for analyzing condensed phase materials, although many systems are also capable of analyzing gases in gas cells. They are more common than open-path systems, and are found in a variety of sizes and capabilities.

Attenuated total reflection (ATR-MIR) is the most popular sampling technique used in most laboratories today, and allows for the fast analysis of solid and liquid materials. MIR spectra can be searched against large reference spectral databases, making this technique a powerful tool for identification of chemical unknowns.

Manufacturer
Agilent Technologies (5)
Avir Sensors (1)
Block Engineering (6)
Bruker Daltonics, Inc. (1)
Chemring Detection Systems (2)
Environics USA, Inc. (1)
Gasmet Technologies, Inc. (4)
Jasco, Inc. (2)
MKS Instruments, Inc. (1)
Smiths Detection, Inc. (2)
Thermo Electron Corporation (1)
Wilks Enterprises (1)
Transportability
Handheld (3)
Person-Portable (20)
Mounted (1)
Benchtop/Fixed (3)
Unit Cost
$10,000 - $20,000 (1)
$20,000 - $50,000 (10)
$50,000 - $100,000 (9)
> $100,000 (7)
Sample Introduction
Solid (10)
Liquid (2)
Other (15)
Sensitivity / Detection Limit
% (2)
ppm (5)
ppb (3)
mg (2)
ng (1)
Other (11)
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4100 ExoScan Series

4100 ExoScan Series

Agilent Technologies

The 4100 ExoScan™ is a portable, hand-held, battery operated FTIR analyzer designed to measure a wid...

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4200 FlexScan Series

4200 FlexScan Series

Agilent Technologies

The 4200 FlexScan is a hand-held FTIR specifically designed for various surface analysis application...

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4300 Handheld FTIR Spectrometer

4300 Handheld FTIR Spectrometer

Agilent Technologies

The 4300 Handheld FTIR with DTGS or MCT detectors offers a variety of sampling interfaces: Diffuse R...

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4500 Series Portable FTIR

4500 Series Portable FTIR

Agilent Technologies

The Agilent 4500 Series Portable FTIR Spectrometers are small sized, mid-infrared (IR) region spectr...

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5500 Series Compact FTIR

5500 Series Compact FTIR

Agilent Technologies

The 5500 series portable mid-IR spectrometers specifically designed for on-site oil and lubricant an...

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Airgard

Airgard

MKS Instruments, Inc.

The MKS AIRGARD ambient air analyzer is a rack-style Infrared Spectroscopy(FTIR) based gas analyzer ...

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ChemSight

ChemSight

Avir Sensors

The ChemSight™ detector is an infrared (IR), line of sight, sensing system for point of entry, fixed...

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Gasmet DX4000

Gasmet DX4000

Gasmet Technologies, Inc.

Gasmet™ DX4000 is a portable IR gas analyzer which is typically used in stack emissions monitoring, ...

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Gasmet DX4015

Gasmet DX4015

Gasmet Technologies, Inc.

Gasmet™ DX4015 is a portable IR gas analyzer for ambient air analysis. The DX4015 is the oldest of ...

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GasMet DX-4030

GasMet DX-4030

Gasmet Technologies, Inc.

Gasmet™ DX4030 is an IR gas analyzer for ambient air analysis. It is designed for applications where...

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Gasmet DX4040

Gasmet DX4040

Gasmet Technologies, Inc.

Gasmet Technologies newest portable IR Gas Analyzer is the DX4040. It provides a very cost-effective...

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HazMatID

HazMatID

Smiths Detection, Inc.

The HazmatID is a rugged, compact, self-contained FT-IR spectrometer with an integrated computer wei...

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ID 100

ID 100

Environics USA, Inc.

The ID100 is a portable FTIR gas analyzer. The lightweight analyzer module is located in a durable T...

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InfraSpec VFA-IR

InfraSpec VFA-IR

Wilks Enterprises

The InfraSpec Variable Filter Array (VFA) IR Spectrometer enables the user to obtain infrared spectr...

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I-SCAD

I-SCAD

Chemring Detection Systems

I-SCAD® detects, classifies, and identifies particles in a chemical agent cloud, by type, while disc...

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iSpec

iSpec

Block Engineering

Block Engineering's Imaging Spectrometer, i-Spec™, is a Fourier transform spectrometer that is suite...

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