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AnalytikJena UK > Atomic Spectrometry > Atomic Absorption (AAS) > contrAA series

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contrAA® - The better way to do atomic absorption

 
contrAA® — Here is a new technology that expands the field of atomic spectrometry: High-Resolution Continuum Source AAS

contrAA®300 — The High-Resolution Continuum Source Atomic Absorption Spectrometer for Flame and Hydride Technique

contrAA®600 — The High-Resolution Continuum Source Atomic Absorption Spectrometer Graphite Furnace Technique

contrAA®700 — The High-Resolution Continuum Source Atomic Absorption Spectrometer for Flame, Hydride and Graphite furnace Technique

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High-Resolution Continuum Source AAS (HR-CS AAS) covers the complete spectral range from the near vacuum-UV to the near infrared with a single continuum source, providing innovative capabilities. For the first time, genuine sequential multi-element analysis is implemented in AAS without the need for a multitude of different light sources. contrAA®is closing the gap between ICP and AAS!

At first glance:


  • Maximum versatility and flexibility
  • Guaranteed stability
  • Improved accuracy
  • Maximum information content
  • Speed for higher efficiency
  • New level of performance
  • Fast sequential multi-element determination for flame AAS
  • Simultaneous background correction
  • Full post processing of measurement (FPP)

Unique Flexibility
The xenon short-arc lamp as a continuum source is ideal for any element to be analyzed. No matter how frequently or seldom you have to determine an element, the HR-CS AAS instrument is immediately ready for measurement. You have every freedom for line selection, as the source covers the entire continuous wavelength range. All absorbing atom lines are immediately available, irrespective of the emission properties of the HCL (such as windows transmissive to UV or visible radiation). In addition, several new types of lines can be used for analysis.

Immediate Readiness for Measurement
The immediate readiness for measurement provided by HR-CS AAS is due to the fact that the lamp needs no fixed warm-up time to avoid output drift. Innovative correction algorithms continuously compensate any drift or fluctuation of the spectrometer including the source.

Improved Performance
HR-CS AAS features an improved signal-to-noise ratio and markedly better detection limits. This is due to the higher radiation density of the Xe continuum source compared to HCLs, and the enormously increased quantum efficiency of a CCD semiconductor detector compared to the photomultiplier tube commonly used in line-source AAS (LS AAS). HR-CS AAS is the first technique that c an efficiently correct spectral interferences in flame AAS by structured flames or molecule structures. This provides improved simultaneous background correction, and capabilities to correct spectral interferences to increase the accuracy of analytical results.

contrAA®is closing the gap between ICP and AAS! As robust and interference-free as a traditional AAS system, yet the variety and speed of the information is comparable to that of an ICP - a combination which will satisfy all future requirements!

 


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