SKU: 990F
Entry-level AAS Atomic Absorption Spectrometer, Flame/Graphite Furnace
$13,200.00
  • The AA900 Atomic Absorption Spectrometer is a versatile entry-level instrument with a computer-controlled Air/Acetylene flame for general laboratory requirements.
  • Due to its high sensitivity and excellent performance the instrument can be used for a wide range of applications.
  • The versatile instrument is available in three configurations:
  • AA990F-Flame atomizer only.
  • AA990G-Graphite furnace atomizer only.
  • AA990FG-Combined with flame and graphite furnace atomizer switch aromatically.
  • Common Applications include Agricultural, Environmental, Petrochemical, Clinical
  • One Year Warranty, Lifetime technical support
  • On-site Installation available
  • Accessories available upon request


  • Features 

  • Easy-to-use automation software
  • Integrated safety precautions for user protection
  • Precision accuracy with an integrated correction system
  • Life cycle value, the best choice for less than 8 elements of analysis


  • Specifications


    Spectrometer System
    Wavelength range 190-900 nm
    Light source Hollow cathode lamp (HCL), Deuterium Arc lamp (D2)
    Modulation  Square wave pulse
    Modulation frequency

    100 Hz self reversal (SR) background,

    400 Hz Deuterium Arc (D2) background

    Monochromator 
    Grating  1800 grooves/mm diffraction grating
    Blazed wavelength 250 nm
    Focus  300 nm
    Bandwidth  0.1, 0.2, 0.5, 1.0, 2.0, 5.0 nm
    Scan mode Automatic
    Photometric type Single beam
    Wavelength accuracy ±0.15 nm
    Wavelength resolution 0.2 nm±0.02 nm
    Wavelength reproducibility <0.05 nm
    Spectral bandwidth 0.5, 1.0, 2.0, 5.0 nm
    Baseline stability 0.005 A/30 min
    Background correction

    Deuterium Arc (D2) 1.0 Abs, 

    Self Reversal (SR) 3.0 Abs

    Flame Analysis
    Flame type Air/acetylene
    Sensitivity (Cu) 2 μg/ml Absorption>0.280 Abs
    Characteristic Concentration Cu<0.02 μg/ml
    Detection limit Cu<0.004 μg/ml
    Repeatability Cu<0.7 %
    Burner head Titanium Alloy
    Nebulizer 

    High–efficiency glass,

    acid-proof available as an option

    Pre-mix chamber Corrosion-resistant
    Atomizer selection Manual (AA990F)
        Automatic changeover (AA990FG)
    Safety features Burner switch, flame sensor, gas leak sensor, low gas pressure sensor, drain trap   sensor, power loss protection
    Graphite Furnace Analysis 
    Graphite head  Transversally heated
    Temperature range Ambient-2650 ℃
    Heating program Up to 10 steps. Drying, Ashing, Atomization, Cleaning 
    Feedback  Voltage and optical temperature control feedback
    Sensitivity (Cu) 50 ng/m Absorption>0.40 Abs
    Detection limit  Cd<0.004 ng/ml
    Repeatability

    Cu<2.0%,

    Cd<2.0%

    Graphite tubes Pyrolytically coated with a platform
    Sample size Up to 20μl
    Graphite cooling Water circulator available
    Safety features

    Burner Switch,

    Flame Sensor, 

    Gas leak Sensor,

        Drain Trap Sensor, 

    Power Loss Protection,

    Circulation Water (graphite), 

    Over Temperature Sensor (graphite)

    Data Processing 
    Operating program AA Win software
    Analytical methods

    Flame AA, Flame AE,

    Graphite Furnace, 

    Hydride Generation

    Readout Mode Continuous, manual, peak height, peak area
    Calibrations Multi-standard calibration, standard addition, interpolation
    Data storage Analytical results, instrument and measurement parameters, signal profile, calibration   curve
    Power Requirements
    Main unit  220 VAC 50/60 Hz 200 W
    Graphite power supply

    380 VAC 50/60 Hz

    instantaneous power 5kW current rating 7 kW



    Dimensions 
    Main unit

    44× 20 × 20 inch

    158 lb

     

    Graphite power supply

    20 × 20 × 18 inch

    154 lb