Laboratory of Spectral Analysis performs quantitative analysis of Fe, Al, Cu alloys with the following equipment:
- Optical emission spectrometer “Spectrolab M3”, “SPECTRO” – Germany, which consists of optical unit with argon stand, comprising two optical systems with the following characteristics:
- Total wavelength range: 165 – 530 nm
- Focal length – 750 mm
- Vacuum optics
– strokes of the diffraction grating – 2400L / mm
– wave length – 165 – 230 nm
- Optics in the air
– strokes of the diffraction grating – 2400L / mm
– wave length – 210 – 530 nm
- Grid material – Zerodur
- Spark stand.
Оptical emission spectrometer „Q4 TASMAN Q101750 – C 130“, „BRUKER AXS“ – Germany delivered and put into operation under Project BG05M2OP001-1.001-0008 “National Center for Mechatronics and Clean Technologies”, funded by the Operational Program “Science and Education for Smart Growth” 2014-2020
Q4 TASMAN Q101750 – C 130, BRUKER AXS has the following characteristics:
- Total wavelength range: 130 – 620 nm
- Focal length – 400 mm
- Clear Spectrum technology – provides high accuracy, convergence and reproducibility of the results of spectral analysis.
- Holographic diffraction grating (Carl Zeiss) – 3600 strokes / mm
- Spectrum recording system – an array of CCD detectors that have a high resolution for wavelengths, offering precise detection of all necessary elements for the respective matrices.
- Spark discharge –10 µs up to 2 ms
- Allows measurement of samples of different sizes and weighing up to 10 kg.
Laboratory issues protocols according to БДС EN ISO / IEC 17025.


