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Atomic Absorption LAAS-202

0.004A/30min. It is widely used for simultaneous and automatic determinations for more than one element and low concentrations of metals in samples of water.
Features:
- Automated spectral bandwidth with 5 slit sizes (6)
- Atomization Chamber is made of Corrosion- resistant material (3)
- Control of the gas flows (fuel gas-C2H2) & positioning of the burner (3)
- 2 methods of background correction- first utilizes deuterium lamp & second is self reversal (2)
- Electronic parameters for the photomultiplier detector (3)
- Hollow cathode lamp current & balancing of the absorbance and background energies (3)
- Ignition of the lamp (3)
- Various safety interlocks (3)
- Automatic ignition & mixing air-acetylene gas with safety control (3)
- Graphite furnace integrated into one instrument
- Motorised 8 hollow cathode lamp turret (2)
- Location of the wavelength & peak selection
Specifications:
Main Specification:
Background correction:
1.0 Abs self-Reversal Background Correction: 3.0Abs
Wavelength Range:
190nm-900nm
Wavelength Accuracy:
±0.25nm
Wavelength Repeatability:
0.15nm
Spectral Bandwidth:
0.1nm
0.2nm
0.4nm
1.0nm
2.0nm
Baseline stability:
0.005A/30min
Analytical method:
Flame
Graphite Furnace and Hydride
Sensitivity (Cu):
0.03μg/ml/1%
Character Value:
0.5Pg
Burner Head:
Titanium alloy burner
Temperature range:
RT to 2650°C
Heating:
Voltage feedback control when dry and ashing; Optical temperature control when atomizing
Heating Program:
Up to 9 steps with choices of ramp; temperature increase and full-power heating

