ATOMIC ABSORPTION SPECTROPHOTOMETER

AAS-2630

  • Using PC for automatic controlling & data processing;
  • Integrated design of the flame atomizer and the graphite furnace atomizer, both of which can be automatically switched;

More details

Product info

Features

  • Using PC for automatic controlling & data processing;
  • Integrated design of the flame atomizer and the graphite furnace atomizer, both of which can be automatically switched;
  • Eight lamps automatic switch, automatically adjust supply and optimization of the beam position, pre-set optimization hollow cathode lamp working conditions for multi elemental detection convenient
  • Automatic ignition, automatic flow rate setting, turn off automatic protection, automatically adjusts negative high voltage, lamp current;
  • Automatic control wavelength scanning, automatic peak search completed within 30 seconds, Auto-zero, the gas flow is set automatically
  • Advanced and reliable the safety protection system, full range of safety protection for the operator
  • Hydride generator for option
  • The excellent quality of the optical system, optical system suspension design, the vibration and the environmental temperature changes can not affect the instrument performance
  • Convenient and reliable utility software assistant, comprehensive support the windows platform
  • The new design of the flame atomizer and high sensitivity of the graphite furnace.

Performance Index
Optical system

  • Wavelength: 190nm-900nm
  • Monochromator:  C-T, aberration
  • Wavelength accuracy:  ±0.15nm
  • Wavelength repeatability: <0.10nm
  • Baseline shift:  0.004A/30min
  • Detector: high sensitivity photomultiplier
  • Spectrum bandwidth: 0.1nm, 0.2nm, 0.4nm, 1.0nm, 2.0nm for option
  • Dispersion element: plane diffraction grating, 1800article/nm, scoring area 40x40mm2 
  • Resolution ratio: in 0,2nm spectral bandwidth, the half width of the measuring spectral line no more than0.2nm±0.02nm

Atomic system

  • (Cu) characteristic concentration: 3.0μg/ml, absorbance not less than 0.300Abs
  • (Cu) detection limit: <0.005μg/ml
  • Precision: RSD≤0.8%
  • Sprayer: high efficiency glass atomizer
  • Burner: 100mm titanium metal, air premixed
  • Atomizing chamber: corrosion resistant material
  • Position adjustment: auto setting for the optimum height of the flame burner and front and rear position
  • Safety: with many kinds of automatic protection

Graphite furnace atomic system

  • (Cd) characteristic concentration: 0.5x10-12g,
  • (Cd) detection limit: 3.0μg/ml, 15μL sample, absorbance not less than 0.31Abs
  • Precision: RSD≤0.3%
  • Heating temperature range: -3000℃ in room
  • Heating rate: >2000℃
  • Temperature control accuracy: ≤1%
  • Heating temperature control method: the power control method of the dry ashing stage, the atomization stage with the maximum power control
  • Heating condition setting: up to 11 programs, ramp heating-up, moment heating-up, maximum power heating-up
  • Safety: with the alarm and automatic protection when cooling water flow in lack, superheat and over current indicting by the argon under voltage
  • Background correction: in 1A deuterium background correction ≥30 times, in 1A self absorption background correction≥60 times
  • Graphite furnace heating method: constant power heating
  • Measurement method: air-acetylene flame method, hydride generator atomic absorption method, graphite furnace method
  • Concentration calculation: standard curve method (1-3 times curve), interpolation method, standard addition method
  • Repetition survey frequency: 1-20times, calculate average value, display standard deviation and relative standard deviation
  • Printing result: parameters print, data result print, graph print, summary report
  • Software: Windows 98/2000/XP
  • Data output: instantaneous value, integral value, peak value, peak area

Automation system

  • Eight lamps automatic switch, with the high performance lamps
  • Auto scanning and peaking of the wavelength, auto transfer the slit
  • Auto setting the gas flow, to choose the best combustion ratio
  • Auto setting for the optimum height of the flame burner and front and rear position
  • Automatic alarm in fray-out of the flame, alarm in ignition failure
  • Water seal position confirmation protection

 

Instrument parameter
AAS
Source: AC 220V/50HZ
Power: 220VA
Weight: 100Kg
Volume: 1170mm (L)×480mm(W)×440mm(H)

Graphite furnace
Source: AC 380V/50HZ
Power: 12KVA
Weight: 450Kg
Volume: 410mm (L)×480mm(W)×440mm(H)
Operating temperature: 10℃~35℃
Operating humidity:  ≤80%

Standard Layout

  • Main host
  • Low noise oil free air compressor
  • Operating software
  • Accessories
  • Wooden case packaging and transportation
  • Did not include computer & printer

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