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Atomic Absorption Spectrophotometer

Atomic Absorption Spectrophotometer

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Product description, technical parameters and configuration

         AA-1800H atomic absorption spectrophotometer is absorted the latest international technology and famous universities jointly complete R & D, application experience with decades of spectral instrument. The products include the flame , graphite furnace and hydride generation system, can be equipped with various accessories, flexible configuration program can meet different customer demand. AA-1800 atomic absorption spectrometer can be used for analysis of complex samples ,full automatic multifunctional, various analysis methods can automatically switch, unmanned automatic analysis.
       AA-1800H atomic absorption spectrophotometer is now widely used in scientific research,quality control, disease control, environmental protection, metallurgy, agriculture,chemical industry .Hardware and software design of innovation to ensure the accuracy,safety, ease of use in the analysis of samples, equipment maintenance, simple and convenient.
Main features
High precision automatic optical system
     1800 / mm reticle (dispersion rate) large area grating monochromator, a new type self collimation, all lenses are quartz coating, the detection range and the stability of optical broad to ensure the precision of analysis. Automatic 6 socket configuration six independent lamp power supply, can be
respectively preheating
Polymer spray chamber
       Polymer materials corrosion spray chamber, acid and alkali resistance, includinghydrofluoric acid, either organic or inorganic solution can be the highest sensitivity andstability
Titanium burner
       Titanium burner, the optional 50mm and 100mm burner, air cooling pre mixed type,corrosion resistant, resistant to high salt, greatly improve the analysis efficiency andaccuracy of the flame
Automatic analysis
       It can automatically accomplish safety ignition, extinction and switching, reliable structure,low fault rate, thus ensuring the sensitivity and reproducibility of the flame method.
      The light source system six lamp automatic conversion, can be directly used high performance hollow cathode lamp, improve the sensitivity analysis of the flame, the automatic
adjustment of the power supply parameters and the beam
position, automaticwavelength scanning and searching peak
Software function
       High intelligent software, powerful function, friendly interface English operation.Automatic instruments and additional control, flame, graphite furnace operating mode can be switched automatically, automatic optimization, automatic dilution; mouse operation, automatic setup menu data and correction method
Graphite furnace temperature control
       Gas dual temperature control inside and outside, 20 order linear or nonlinear heating, to ensure that the measured
elements has the highest sensitivity; furnaceenriched up to 20 times, the longitudinal optically monitoring the graphite tube wall temperature, maximum temperature to 3000 degrees centigrade.
High technology index
AA-1800 atomic absorption spectrophotometer elements testsensitivity meet international best level,sensitivity of less than or equal to0.015μg/mL/1%; baseline drift is less than 0.003Abs/30m, the stability is better than 0.005Abs/4h
Background correction system
       Using deuterium hollow cathode lamp advanced and self absorption background deduction of background correction, to eliminate the interference of molecular absorption of low content determination, reducing the noise emission of
deuterium lampand prolongs the service life, has excellent stability. Deuterium lamp background signalfor 1A,
background correction ability > 50 times
Intelligent analysis
Greart intelligence, humanized design, flame and graphite
furnace atomizer automatic switching, automatic optimization of graphite furnace atomizer, automatically set the flame height adjustment, automatic ignition, automatic optimization of the horizontal position, system automatically sets the gas flow. In the case of power failure, misoperation, acetylene leakage, the system will automatically start the safetyprotection function
Automatic sampler
Integrative design of graphite furnace, using high precision syringe, lowest in 0.5μl samples, with intelligent online dilution and concentration function.
Technical parameters
Light Source
≤6 lamps automatic turret, automatic alignment
Power Supply
110/220V (+5% ~ -10%), 60/50Hz; 5000VA
Lamp Current
pulsed power supply
Optical System
large 1800 /mm grating ruling, full closed optical system
Wavelength Range
Automatically peak find,a key opticaloptimization function
Wavelength Accuracy
Wavelength Repeatability
Spectral Bandwidth
(5 steps with automatic changeover)
Baseline Stability
≤±0.002A/30 min (Static)     
≤±0.005A/30min (Dynamic)
 Absorbance Range
                                             Flame Analytical System
imported photomultiplier tube
Burner Head
full titanium combustion head, 50mm or 100mm generalcombustion head
Atomization Chamber
polymer explosion-proof spray chamber
atomizer efficient glass atomizer, can also be customized
Ignition Type
microcomputer control, automatic ignition
Gas Control
automatic gas control system
Detection Limits(Cu)
                                  Graphite Furnace Analytical System
Heating Mode
vertical heating
Temperature Control Method
vertical optical temperature monitoring graphite tube wall temperature
Temperature Range
room temperature to 3000℃
The Program
automatic temperature control up to 20 order
Temperature Control
the furnace enriched up to 20 times
Characteristics Volume
0.5 × 10-12g (Cd)
Detection Limit
0.4 × 10-12g (Cd)
The Cooling Water
can choose cooling water circulation system
the graphite tube damage, water flow
air pressure and other alarmtemperature overheating protection
                                         Autosampler Graphite Furnace
Sample Tray
70 sample cups, 6 reagent cup
Sample Volume
The Smallest Lincrement
0.1 μl
The Volume of Sample
better than 1%(at the time of 10mL-100mL)
Repeatability Volume
Repeated Sampling Frequency
up to 99 Times
Cleaning and Waste
each 500mL
Container Volume
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