Atomic Absorption Spectrophotometer LAAS-A20

Atomic Absorption Spectrophotometer LAAS-A20


Atomic absorption spectrophotometer designed with the latest technology, can automatically accomplish safety ignition and reproducibility of the flame method. The graphic analysis system gives information on analysis of the whole process e.g. measured value, temperature, procedures, time, etc. It consist of hollow cathode lamp to improve the analysis efficiency and accuracy of the flame & deuterium lamp for background correction.




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Wavelength range180 - 900 nm
Spectral Bandwidth0, 0.2, 0.4, 1.0, 2.0nm (Automatic setting)
Wavelength accuracy≤ 0.15 nm
Wavelength repeatability± 0.1 nm
Baseline drift≤ ± 0.002 Abs / 30 min (Static), ≤ ± 0.005 Abs / 30 min (Dynamic)
Absorbance Range0 - 4 A
DetectorImported photomultiplier tube
Lamp holder≤ 6 lamps automatic turret, automatic alignment
Lamp power supply modepulsed power supply
Optical Systemlarge 1800 /mm grating ruling, full closed optical system
Atomization ChamberPolymer explosion-proof spray chamber
Characteristic concentration (Cu)0.015 μg / mL / 1 %
Detection Limit (Cu)0.002 μg/mL
BurnerFull titanium combustion head, 50 mm or 100 mm general combustion head
NebulizerAtomizer efficient glass atomizer,can also be customized
PrecisionRSD ≤ 0.5 %
Ignition TypeMicrocomputer control, automatic ignition
Gas ControlAutomatic gas control system
MeasurementFlame method, Hydride generation-Atomic absorption method
Concentration calculationStandard curve method(1 - 3 times curve), automatic fitting
The number of repeated measurements1 to 99, automatic calculation of average concentration, standard deviation, relative standard deviation.
Print resultsPrint the final stages of test data or analysis. The results can be exported into Excel worksheet.
Power supply110 / 220 V (+5 % ~ (-10) %), 60 / 50 Hz; 5000 VA
  • 1800 /mm reticle (dispersion rate) large area grating Monochromator
  • Titanium burner for the flame analysis
  • Polymer automization chamber
  • Automatic analysis ensures sensitivity and reproducibility of the flame method
  • Light source 6 lamp holder
  • Graphic furnace system gives information on analysis of the whole process
  • Convenient data processing & sharing & printing
  • Powerful software with automatic instrument and additional control
Atomic absorption spectrophotometer is widely used in analysis of elements from the mixture in scientific research, environmental science, metallurgy, agriculture & chemical industry, food, mining, and petrochemical, pharmaceutical industries.

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