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Near-infrared (NIR) spectroscopy

Near-infrared spectroscopy is a highly flexible form of analysis, which can be applied to a broad range of research and industrial process applications

Near-infrared (NIR) spectroscopy is a highly flexible form of analysis, which can be applied to a broad range of research and industrial process applications. Long a staple technology in remote sensing, NIR spectroscopy has become popular within industrial markets as a cost-effective tool for measuring materials to optimize processes and manage costs.

What is NIR and how does it work?

NIR spectroscopy is a method that makes use of the near-infrared region of the electromagnetic spectrum (from about 700 to 2500 nanometers). By measuring light scattered off of and through a sample, NIR reflectance spectra can be used to quickly determine a material’s properties without altering the sample.

NIR converts measured data into actionable information to help optimize processes or improve research. Capable of examining irregular surfaces with the same ease as a carefully prepared sample, NIR is non-destructive, and requires little or no sample preparation. It can also be used to analyze multiple constituents in a single scan.

Advantages of near infrared spectroscopy

  • Highly flexible form of analysis 
  • Cost-effective
  • Capable of examining irregular surfaces
  • Non-destructive
  • Requires little or no sample preparation
ASD FieldSpec range

ASD FieldSpec range

The Gold Standard in Field Spectroradiometers

ASD LabSpec range

ASD LabSpec range

Laboratory Instrumentation for Qualitative and Quantitative Materials Analysis

ASD TerraSpec range

ASD TerraSpec range

Portable & handheld VNIR analyzers for mineral exploration and ore analysis

Measurement type
Remote sensing
Molecular structure
Accuracy Spectral performance Spectral performance Spectral performance
Technology
Near-infrared Spectroscopy (NIR)