Atomic Absorption Spectrophotometer, 190nm-900nm

AAS-2630 Atomic Absorption Spectrophotometer, 190nm-900nm

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.

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

(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

(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

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