Fourier Transform Infrared Spectroscopy (FTIR) is used to identify organic (carbon based) and occasionally inorganic materials.
Infrared light of varying wavelengths is shone onto the sample of interest and absorption bands determined. Absorption bands are characteristic of intra-molecular phenomena and are highly specific for each material.
The identification of these bands allow computerised data searches to be performed against standard reference libraries.
Description
The Nicolet Impact 410 is a high-performance, Fourier Transform Infra Red (FTIR) Spectometer.
Nicolet Impact 410 FTIR
Accessories available include:
Single Reflection Diamond Attenuated Total Reflectance (ATR) cell for analysis of solids, liquids, pastes, films and microsamples
Multiple Reflection Attenuated Total Reflectance (ATR) cell for analysis of solids, liquids, pastes, and films
Diffuse Reflectance cell for the analysis of solids
Variable Angle Specular Reflectance cell for the analysis of films and coatings
Variable path length liquid cell
Specification
Spectral Range
7400 - 375 cm-1
Resolution
1.0 cm-1
Signal to Noise Ratio
>10000 p/p (>36000 RMS)
ASTM Linearity
<0.10% T deviation
Wavenumber Accuracy
Better than 0.01 cm-1 at 2000 cm-1
Standards
ASTM E131
Termninology Relating to Molecular Spectroscopy
ASTM E168-99
Standard Practices for General Techniques of Infrared Quantitative Analysis
ASTM E334-01
Practice for General Techniques of Infrared Microanalysis
ASTM E573-01
Practices for Internal Reflection Spectroscopy
ASTM E932-89
Practice for Describing and Measuring Performance of Dispersive Infrared Spectrometers
ASTM E1252-98
Practice for General Techniques for Qualitative Infrared Analysis
ASTM E1421-99
Practice for Describing and Measuring Performance of Fourier Transform Infrared (FT-IR) Spectrometers: Level Zero and Level One Tests
ASTM E1655-00
Practices for Infrared Multivariate Quantitative Analysis
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