Product Description

• Brand Name: Kejie
• Wavelength Range: 190nm-900nm
• WA2081 Atomic Absorption Spectrometer
  
  .Introduction
  WA2081has high precision, humanized designation to fully meet the different requirements of users. Users can choose graphite furnace control, automatic injector, hydride generator and so on.
  
  .Features
  1. There are four-lamps position and six-lamps position for option, and the preheat lamp number can be customized, which can short the waiting time of operating process.
  2. The lamps have the functions of self-optimized, and three-dimensional self-adjustment to maximize the energy. 
  3. The elements have the functions of negative high-voltage self-memory, wavelength scanning, lamps self-optimization and energy optimization with one key step. 
  4. It is convenient for the testing results to be exported by various formats and operated by office software. 
  5. This system can be remote controlled so that its problems can be solved in time with remote control technique.
  6. Hydride generator can be used.
  7. Automatic ignition system can be used.
  
  .Parameters

  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 324.7nm 0.2nm and bandwidth deviation within ±0.01nm
  Light source system
  Lamp holders	Four lamp holders for auto-switching (six lamp holders for option)
  Lamp power supply mode	400Hz square wave pulse
  Lamp current adjusting range	0-10mA average current
  Atomization system
  Concentration(Cu)	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.
  Analysis 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 times, automatically 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
  Weight	70kg
  Working environment temperature	10~35ºC
  Working environment humidity	≤80%

  
  .Auxiliary facilities for option
  UV722 UV-visible spectrophotometer 
  
  .Application fields
  WA2081 can be widely used in the fields of geology, metallurgy, medicine, chemical industry, petroleum, agriculture, environment protection, commodity inspection and some other industries. The analysis and application of trace elements has gradually permeated from inorganic chemistry to organic chemistry in recent years.

Company Profile

• Nanjing Kejie Analytical Instrument
• [ China ]
• This company is registered as a free member and is not verified or authenticated by Tradekey.com
• Nanjing Kejie Group was established in 2006, which is a leading manufacturer in R&D, manufacturing and sales of gas chromatography, high efficient liquid chromatography, atomic absorption spectrometer, atomic fluorescence, UV visible spectrophotometer, headspace injector and other analytical instruments and related products. We have dozens of patent certifications, together with CE, FCC, RoHS a...
  

Basic Information

• Company Products / Services: gas chromatography, liquid chromatography, atomic absorption spectrometer, uv visible spectrophotometer
• Year Established: 2006
• Number of Employees: 100+
• Website: www.kojtech.com