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Instrument Database:
Analytik Jena GmbH - contrAA 600 – High-resolution continuum source AAS for the graphite furnace technique
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| Year of introduction |
2011 |
| Status |
historical ( out of sale ) |
| Company |
Analytik Jena GmbH
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| Categories |
Spectrometer ( Atom. ): AAS: Furnace
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The contrAA 600 combines the high precision of the transverse heated graphite furnace with all advantages of the High-esolution Continuum Source Atomic Absorption Spectrometry (HR-CS AAS).
Persuasive performance characteristics of the HR-CS AAS:
- Just one light source for all elements
- Unique simultaneous background correction
- Impressive analytical performance
- Fast and efficient analysis
- Precise measurement results
- Easy to operate and robust
- New information content
The HR-CS AAS guarantees high efficiency and an outstanding
quality of the measurement results.
HR-CS AAS at a glance
The Xenon short-arc lamp is a continuum radiation source with optimal intensity over the entire wavelength range relevant for AAS. Thus, the contrAA® is immediately ready to measure all elements and at all available wavelengths! The evaluation of molecular absorption bands, allowing the analysis of additional elements, is a further innovation. The high-resolution echelle spectrometer allows an optimum line separation. Aside from the intensity of the analysis line, the entire spectral vicinity is recorded on the CCD array detector simultaneously. Using a high number of reference pixels in combination with fully automated correction routines a unique simultaneous background correction is possible. Spectral interferences and direct line overlapping are corrected in real time.
Interference-free graphite furnace analysis contrAA 600 in combination with different autosampler systems for the first time enables the fully automated measurement of solid and liquid samples in one system!
Transverse heating of the graphite tube and the unique simultaneous background correction possibilities guarantee minimization of matrix interferences and allow a precise determination even of refractory elements.
The transverse heated graphite furnace ensures:
- Uniform temperature distribution
- Lower atomization temperatures
- Decreased gas phase interferences
- Linear, rapid heating rates
- Minimized memory effects
The Analytik Jena graphite furnace systems have been using the STPF (Stabilized Temperature Platform Furnace) technique successfully for a long time, ensuring highest accuracy, precision and best detection limits. The STPF concept requires the use of:
- Integrated platform
- Gas stop during the atomization
- Matrix modifier
- Evaluation of the signal area
- Real time data processing
The integrated color furnace camera enables a detailed observation of all processes in the graphite tube starting with the sample introduction up to the drying and pyrolysis, for simple and correct method development.
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