Scientific Responsible:

Dr. Carlo Aurisicchio (Ricercatore C.N.R.)

People:

Sig. Guido Aurisicchio (Tecnico C.N.R.)

Sig.ra Leda Pallante (Tecnico C.N.R.)

Telephone Numbers

06 4463731

06 49914466

06 49914545

E-mail:

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• FTIR Equinox 55 Spectrometer of the Bruker Optics equipped for transmission analysis  on pellets  and “diffused reflactance” on powders, in  the range 7000-370 cm ^-1. Possibility to extend  the analytical  range from the far to the near  infrared region..

• Irscope II Microscope of the Bruker Optics for analysis of micro-areas of solid samples in absorption and /or transmission. Spectral range 7000-600 cm ^-1. The least detectable  diameters  is around 20 microns.

• OPUS/IR Software is used for instrument  management, data acquisition and spectra processing.

Sample preparation:

• Powders:  KBr pellets containing approximately 2 mg of the substance to analyze.

• Solid: area to be analyzed must be opportunely prepared to obtain high spectral intensity: the surfaces should be homogenous, flat and parallel;  in order to do measures  in transmission way, the champion  must be sufficiently thin to allow to the  IR radius to cross it, and  reach the detector with the high possible intensity.

Times of measure:

• Of the order of the minute (20 spectra for minute).

Resolution:

• Better than 0.5 cm^-1

Field of Applications:

• Powders: organic and inorganic mineral study, chemical compounds,  archaeological findings

• Solid: non-destructive analyses on areas of the order of 500 μm²