Home > Explosives > Technology > Molecular Spectroscopy > Near Infrared (NIR)

Near-infrared spectroscopy is analogous to mid-infrared spectroscopy (FTIR) by identifying chemicals based on the interaction of molecules with electromagnetic radiation in the near-infrared region (4000-10000 cm-1). NIR identifies chemicals based on the absorption of specific wavelengths of near-infrared light by a molecule, resulting in a spectrum that is characteristic for that molecule. NIR differs from mid-infrared spectroscopy in that the molecular absorbances are of higher-energy light, making the vibrations of the molecules of higher orders (i.e., combination and overtones) than that of mid-infrared.

Point analysis (“bench top”) systems are most often used for analyzing condensed phase materials. In the last two decades, “point and shoot” instruments (often configured like a gun) have come into vogue. These instruments make analyses of foods, pharmaceutical, and consumer products fast and able to be performed by technicians with minimal training. The resulting spectra can be searched against reference spectral databases for pure materials, but mixture analysis requires a chemometric approach configured by an expert spectroscopist.

Manufacturer
Agilent Technologies (1)
B&W Tek (1)
Bay Spec (7)
Bruker Corporation (4)
California Analytical Instruments, Inc. (1)
Carl Zeiss Microscopy GmbH (1)
LumaSense Technologies, Inc. (1)
Perkin Elmer (1)
Research International, Inc. (1)
Shimadzu (1)
Thermo Fisher Scientific, Inc. (2)
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Transportability
Pocket Size (1)
Handheld (2)
Person-Portable (8)
Benchtop/Fixed (10)
Availability
Commercially Available (20)
Discontinued (1)
Unit Cost
$5,000 - $10,000 (1)
$20,000 - $50,000 (3)
N/A (17)
Sample Introduction
Solid (17)
Vapor/Gas (4)
Sensitivity / Detection Limit
Bulk (9)
% (4)
ppth (1)
ppm (1)
ppb (1)

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9 (21)

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>50 Lbs. (6)

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Lithium Battery (5)
AC/DC Line Power (15)

Training Required

<1 hour (2)
<1 day (12)
<1 week (7)

ITAR/EAR/IATA Regulated

No (4)

Response Time

Continuous (<30 seconds) (8)
<1 minute (3)
<5 minutes (8)
<15 minutes (1)

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None (21)

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Vibration/Shock (2)
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Extreme Temperatures/Humidity (1)
None (7)
Indoor use only (6)

Shelf Life

>5 years (19)

Consumables Required

None (10)
<$1,000/year (10)
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700 FTIR

700 FTIR

California Analytical Instruments, Inc.

The California Analytical Instruments 700 FTIR Analyzer provides fast, continuous and stable analysi...

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AURA®

AURA®

Carl Zeiss Microscopy GmbH

The AURA by Zeiss is a handheld NIR spectrometer.

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Breeze™

Breeze™

Bay Spec

Breeze™ is a palm-size spectrometer for 400-1700nm equipped with an internal broadband light source,...

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Cary 630 FTIR

Cary 630 FTIR

Agilent Technologies

The Agilent Cary 630 FTIR spectrometer has permanently aligned optics to decrease uptime, has snap a...

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Frontier IR

Frontier IR

Perkin Elmer

The powerful and adaptable range of Frontier™ IR systems is assured to meet the needs of your curre...

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Innova 1512

Innova 1512

LumaSense Technologies, Inc.

The LumaSense photoacoustic gas monitor INNOVA 1512 is based on the photoacoustic infrared spectrosc...

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INVENIO

INVENIO

Bruker Corporation

The INVENIO family is the entry level of Bruker's R&D FT-IR spectrometers, with a broad spectral ran...

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i-Spec® Series

i-Spec® Series

B&W Tek

The i-Spec® series is a group of portable broadband fiber-optic coupled spectrometer systems for fie...

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MATRIX-F

MATRIX-F

Bruker Corporation

MATRIX-F is a compact near-IR spectrometer designed for quality assurance/process control using opti...

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microPHAZIR

microPHAZIR

Thermo Fisher Scientific, Inc.

The microPHAZIR ™ RX analyzer provides pharmaceutical manufacturers with a portable tool to analyze ...

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MPA-II

MPA-II

Bruker Corporation

MPA-II is a near-IR spectrometer designed for quality assurance and method development. The system i...

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Nicolet™ iS™5N FT-NIR

Nicolet™ iS™5N FT-NIR

Thermo Fisher Scientific, Inc.

The Thermo Scientific™ Nicolet™ iS™5N FT-NIR uses the OMNIC™ software suite and is built on the same...

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NirSpector™ Transportable VIS-NIR Analyzer

NirSpector™ Transportable VIS-NIR Analyzer

Bay Spec

The NirSpector™ transportable benchtop VIS-NIR spectrometer is a turn-key system that integrates a ...

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Oracle

Oracle

Research International, Inc.

The Oracle™ is a noncontacting gas identifier with ppm sensitivity that requires no consumables, and...

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SuperGamut™ Extended InGaAs

SuperGamut™ Extended InGaAs

Bay Spec

BaySpec’s SuperGamut™ series are dispersive NIR imaging spectral engines that are compact in size wi...

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SuperGamut™ NIR-SWIR

SuperGamut™ NIR-SWIR

Bay Spec

BaySpec’s SuperGamut™ series near-infrared - shortwave-infrared (NIR-SWIR) are spectral engines in a...

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