Atomic Absorption Spectrophotometer with Graphite Furnace System

Features:

Build-in computer data processing and LCD

Adopting highly integrated micro digital circuit, which is stable and reliable with the functions of

integral holding, peak height and area, auto zero adjusting, deuterium lamp and background, multi-

linear and nonlinear curves fitting, various parameters and working curves displayed in screen and r

eport printing, etc. It is equipped with interface for externally linking PC.

Good basic line stability

Double-beam system of optimized design can automatically compensate the light source drift and

wavelength drift caused by the variation of temperature (with the function of the eliminating the

affection of wavelength drift on the base line stability) and electronic circuit drift so as to reach a

good basic line

Complete set of accessories

To be supplied with the instrument and ready for use after they are purchased.

Light-source system

Hollow cathode lamp power supply: with adjustable current Deuterium Lamp power supply: with

fixed current

Optical system

Double beam total refection system, C-T type monochromator Flashing wavelength: 250nm

Flame atomization system

Inter-changeable titanium alloy burner of 10cm and 5cm slits. Gas path is equipped with pressure

indication, high precision voltage stabilizing flow adjustment, fast conversion of air and nitrous oxide,

gas supply cut off, power cut off, prevention of flashback and logic interlock protection devices.

Signal processing

Specifications:

Working spectral range: 190-900nm

Wavelength accuracy: ≤ ±0.5nm

Wavelength repeatability: ≤ 0.3nm (single direction)

Spectrum bandwidth: 0.2nm, 0.4nm, 0.7nm, 1.4nm, 2.4nm, 5.0nm

Resolution: <40%

Base line stability: ±0.004Abs/30min

Characteristic concentration of copper: ≤ 0.04mg/ml/1%

Detection limit of copper: ≤0.008mg/ml

Background calibration ability: Greater than 30 times.

Standby Interface: RS 232

Instrument power supply: 220V, 3A, 50Hz.

 Packaging Details: Standard export packing

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