High precision fully automated optical system
A large area grating with a dispersion rate of 1800 lines/mm, a new self-collimating monochromator, all lenses are quartz coated, a wide detection range and optical stability ensure the accuracy of the analysis. Manual 3 lamp holder configuration 3 independent lamp power supply, can be preheated respectively;
Polymer atomizing chamber
Polymer material anti-corrosion atomization room, acid and alkali resistance, including hydrofluoric acid, whether organic or inorganic solution can get better sensitivity and stability;
Titanium burner
Titanium burner, optional 50mm and 100mm burner, air cooled premixed type, corrosion resistance, high salt resistance, greatly improve the efficiency of flame and accuracy of flame analysis;
Fully automated analysis
It can automatically complete safe ignition, extinguishing and switching, reliable structure and low failure rate, thus ensuring the sensitivity and reproducibility of flame method.
Light source system three lamp position platform switch, can directly use high-performance hollow cathode lamp, improve the sensitivity of flame analysis, automatic adjustment of power supply parameters and beam position, automatic wavelength scanning and looking for wave peaks;
High technical index
The element test sensitivity of AA-1800 atomic absorption spectrometer reached the advanced level of the industry, sensitivity ≤0.015μg/mL/1%; The baseline drift is less than 0.003Abs/30m and the stability is better than 0.005Abs/4h.
Background correction system
The background peaks are corrected using superpulse background correction techniques at a reading frequency of 200 (50Hz) or 240 (60Hz) per second.
The time difference between background measurement and sample measurement is 1ms to ensure the correction accuracy to the greatest extent.
High precision deuterium lamp calibration range: 175-425nm, can be calibrated to 2.5Abs
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