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WA2081-Q Atomic Absorption Spectrometer

WA2081-Q is a multi-functional AAS applied to the fields of food, feed and so on. The built-in design of hydride generator in WA2081-Q is the nationwide origination, which saves more areas and gets better stability. The measured elements contain: lithium, sodium, magnesium, potassium, calcium, chromium, manganese, iron, cobalt, nickel, copper, zinc, gallium, rubidium, strontium, molybdenum, technetium, ruthenium, rhodium, palladium, silver, cadmium, indium, tin, antimony, tellurium, cesium, osmium, iridium, platinum, gold, thallium, lead, bismuth, germanium, arsenic, selenium and mercury.

The basic parameters of this instrument meet the standards of JJG694-2009.

WA2081-Q can be widely used in the fields of food, feed, geology, metallurgy, medicine, chemical industry, petroleum, agriculture, environment protection, commodity inspection and so on.


Optical system

 Wavelength range  190nm-900nm
 Grating mark density 1800 lines
 Monochromator Czerny-Turner type
 Spectral bandwidth 0.2nm, 0.4nm, 1.0nm, 2.0nm, for multiple auto-switching
 Wavelength precision ±0.2nm
 Wavelength repeatability 0.05nm
 Baseline drift 0.002A/30min
 Detectors Wide spectral range photomultiplier tube
 Spectral bandwidth deviation  Copper lamp 324.7nm0.2nm, bandwidth with ±0.01nm

 Light source system

 Lamp holders Three lamp holders for auto-switching
 Lamp power supply mode 400Hz square wave pulse
Lamp current adjusting range  0 -10mA average current 

 Atomization system

 ConcentrationCu  0.025μg/ml/1%
 LOQ (Cu) 0.006μg/ml
 Burner  100mm, single-slit titanium metal burner, which is air-cooled pre-mixed type
 Precision  RSD≤0.8%
 Sprayer  High efficiency glass sprayer of metal set
 Atomization chamber  Corrosion-resistant plastic atomization chamber
 Safety measures  It has functions of various auto safety protection, acetylene leak alarm and system turn off.
 Hydride generator  The built-in hydride generation device can detect the low temperature elements, such as mercury, arsenic and selenium.

Analyzing method

Measuring methods  Air-acetylene flame method and atomic absorption method for hydride generator
 Concentration calculate method Automatically fit the working curve, calibrate sensitivity and calculate the concentration & content.

Repeat measuring times

1~99 timesautomatically calculate the average value, content, standard deviation and relative standard deviation.
Result printed  Print the stage test data or final analysis report, and the results can be exported to Excel.
Software environment  Windows XP/Vista/Windows7 and Chinese professional software

  Instrument parameters

 Power supply  AC 220V/50HZ
 Power  150VA
 Dimensions  1000mm(length)×400mm(width)×470mm(height)
 Weight  70kg
 Working environment temperature  10~35
 Working environment humidity  ≤80%


1.1Three-lamps position, the number of preheating lamps is user-defined so that the waiting time in working process can be solved.

1.2The lamp position can optimize automatically and adjust for three-dimensions to maximize the energy.

1.3The elements have the functions of negative high-voltage self-memory, wavelength scanning, lamps self-optimization and energy optimization with one key step.

1.4 It is convenient for the testing results to be exported by various formats and operated by office software.

1.5 This system can be remote controlled so that its problems can be solved in time with remote control technique.

1.6The built-in hydride generation device can detect the low temperature elements, such as mercury, arsenic and selenium.

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