Atomic Absorption Spectrophotometer LX708AAS

Atomic Absorption Spectrophotometer LX708AAS

Atomic Absorption Spectrophotometer LX708AAS

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Description

Atomic Absorption Spectrophotometer LX708AAS is equipped with a high efficiency glass nebulizer, corrosion resistant spray chamber, titanium burner, and advanced safety features including automatic gas cut-off and flame monitoring for precise elemental analysis. It integrates a graphite furnace with multiple heating modes and real-time system monitoring to ensure controlled performance. The system also features reflection optics, deuterium lamp correction, and an eight-lamp turret for multi-element analysis.

Specifications

Optical system
Double beam
Wavelength range
190 - 900 nm
Wavelength accuracy
± 0.15 nm
Wavelength repeatability
± 0.05 nm
Ambient temperature
10 - 35 °C
Ambient humidity
≤ 85 %
Photometric range
0 - 125%, - 0.1 - 3.00 A
Static baseline drift (Cu)
≤ 0.002 A/30 min
Dynamic baseline drift (Cu)
≤ 0.004 A/15 min
Lamp
Automated 8 - lamp turret
Monochromator
Czerny - turner type, focal lengths at 350 mm
Grating
Holographic diffraction with 1800 lines/mm
Slits
Automated slit selection 0.1, 0.2, 0.4, 0.7, 1.4, 2.0 nm
Flame
Characteristic concentration≤ 0.035 ug/ml
Detection limit (Cu)≤ 0.004 ug/ml
Repeatability (Cu)RSD ≤ 0.5%
Acetylene flow controlAuto 12 - Level
Air assist controlAuto 4 - Level
Ignition methodPC Control
Graphite furnace (Optional)
Characteristic amountCd ≤ 0.8 pg, Cu ≤ 20 pg
Detection limit (Cu)Cd ≤ 0.8 pg, Cu ≤ 5 pg
Repeatability (Cu)RSD ≤ 2.5%
Heating range of graphite furnaceRoom temperature - 3000℃
High power heating range1500 - 3000℃
Slope and holding time1 - 255 s
Heating rateMaximum heating rate 2000℃/s
Protective gas flow outside pipe1 L/min
Protective gas flow inside pipe4 - Speed adjustable (0, 50, 200, 250/min flow)
Data processing
Measuring methodFlame AAS, Graphite furnace AAS (GFAAS), Hydride generation AAS (HG-AAS), and Flame emission spectroscopy
Concentration calculation methodStandard curve method (linear/non-linear fitting), standard addition method, and interpolation method
Repeat measurement times1 - 30 Replicates with calculation of mean absorbance/concentration, standard deviation, and relative standard deviation (RSD)
Report printingParameter printing, Data result printing
Power supply
110 - 220 V, 50 - 60 Hz
Dimension
850 x 650 x 550 mm
Net weight
95 Kg
Packing dimension & Gross weight
1000 x 780 x 810 mm, 115 Kg
460 x 460 x 580 mm, 25 kg
Features
  • High efficiency glass nebulizer ensures stable atomization and flame protection
  • Corrosion resistant spray chamber offers durability and chemical resistance
  • Automatic gas cut-off enhances safety during pressure loss, flame failure, or power outage
  • Titanium 100 mm burner supports efficient air/acetylene flame operation
  • UV sensitive photomultiplier detector provides accurate flame monitoring
  • Graphite furnace supports light, time, and general heating modes
  • Integrated graphite system monitors cooling water, gas pressure, temperature, and power supply
  • Built-in furnace installation alarm improves operational safety
  • Total reflection optical system delivers high signal-to-noise ratio
  • Intelligent gas control module ensures safe and consistent performance
  • Deuterium lamp enables effective background correction
  • Fully automatic control system allows one-touch operation
  • Eight-lamp holder with 360° rotation supports multi-element analysis
  • Intelligent atomizer with elevator improves precision and usability
  • RG WIN software enables automated control with an intuitive and easy-to-use interface
Applications
  • Used for quantitative analysis of metals in environmental, pharmaceutical, food, and clinical samples, as well as for quality control in metallurgy and chemical industries.
Optional Accessories
  • Graphite furnace
  • Auto sampler
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