Atomic Absorption Spectrophotometer LAAS-A22

Atomic Absorption Spectrophotometer LAAS-A22


Atomic Absorption spectrophotometer comes with flame, graphite furnace and hydride generation system to meet different customer demand. It is provided with deuterium hollow cathode lamp to eliminate the interference of molecular absorption and Titanium Burner to improve the analysis efficiency and accuracy of the flame. The autosampler has integrated graphite furnace design with high-precision syringes to enter volume as minimum as 0.5μl with intelligent online dilution and concentration function. It has great applications research and medicine, environmental science and other industries.

Wavelength range180 – 900nm
Spectral Bandwidth0.1nm,0.2nm,0.4nm, 1.0nm, 2.0nm automatic setting
Wavelength accuracy≤0.15nm
Wavelength repeatability±0.1nm
Baseline drift≤±0.002Abs/30 min (Static) ≤±0.005Abs/30min (Dynamic)
Sample Volume1-100μl
The volume of samplebetter than 1%(at the time of 10mL-100mL)
Repeated Sampling Frequencyup to 99 Times
Cleaning and waste container volumeEach 500 mL
Absorbance Range0-4 A
The ProgramAutomatic temperature control up to 20 order
Temperature Rangeroom temperature to 3000℃
Detectorimported photomultiplier tube
Heating Modevertical heating
Temperature Control MethodVertical optical temperature monitoring graphite tube wall temperature
Temperature ControlThe furnace enriched up to 20 times
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
Characteristics Volume0.5 × 10-12g (Cd)
Characteristic concentration (Cu)0.015μg/mL/1%
Detection Limit0.4 × 10-12g (Cd)
Detection Limit (Cu)0.002μg/mL
BurnerFull titanium combustion head, 50mm or 100mm general combustion head
NebulizerAtomizer efficient glass atomizer,can also be customized
PrecisionRSD≤0.5
Ignition TypeMicrocomputer control, automatic ignition
Sample Tray70 sample cups, 6 reagent cup
The Smallest Lincrement0.1 μl
Safety measuresThe graphite tube damage, water flow Air pressure and other alarm temperature overheating protection
Gas ControlAutomatic gas control system
MeasurementFlame method, Hydride generation-Atomic absorption method
Concentration calculationStandard curve method(1-3 times curve), automatic fitting
The Cooling WaterCan choose cooling water circulation system
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 supply110/220V (+5% ~ -10%), 60/50Hz; 5000VA
  • High precision automatic optical system
  • Graphite furnace temperature control
  • High technical indicators
  • Deuterium lamp for background correction system
  • Polymer automization chamber
  • Powerful, intelligent user-friendly design
  • Automatic analysis & Sampler
Atomic Absorption spectrophotometer is used in scientific research, quality control, disease control, environmental protection, metallurgy, agriculture, chemical industry, and analysis of samples, equipment maintenance, simple and convenient.

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