Atomic Absorption Spectrophotometer LAAS-A21

Atomic Absorption Spectrophotometer LAAS-A21


Atomic Absorption spectrophotometer comes with flame, graphite furnace and hydride generation system to meet different customer demand. It consist of 1800/mm reticle large are grating monochromator and titanium burner to improve the analysis efficiency and accuracy of the flame. Atomic Absorption spectrophotometer has manual 3 lamp holder configuration & 3 independent lamp power supply for analysis.




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Wavelength range180 – 900 nm
Spectral Bandwidth0 nm, 0.2 nm, 0.4 nm, 1.0 nm, 2.0 nm (5 steps with automatic changeover)
Wavelength accuracy≤ 0.15 nm
Wavelength repeatability± 0.1 nm
Baseline drift≤ ± 0.002 Abs / 30 min (Static) ≤ ± 0.005 Abs / 30 mins (Dynamic)
Absorbance Range0 - 4 A
Lamp holder≤ 3 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.
  • 1800 /mm reticle (dispersion rate) large area grating monochromator
  • High performance hollow cathode lamp
  • Titanium burner for the flame analysis
  • Polymer automization chamber
  • Automatic analysis for sensitivity and reproducibility
  • High precision automatic optical system
  • Flame, graphite furnace operating mode can be switched automatically
  • Light source 3 lamp holder
  • 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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