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DW-AA2081 Atomic Absorption Spectrophotometer
Instruments meet the basic parameters of GB/T 6780-93 standard(requirements of the basic parameters of atomic absorption spectrophotometer).
I.Performance
1. Optical System
Wavelength range |
190nm——900nm |
Grating groove density |
1800 lines |
Monochromator |
Czerny-Turner |
Spectral Bandwidth |
0.2,0.4,1.0,2.0nm,multi-speed automatic switching |
Wavelength accuracy |
±0.25nm |
|
Wavelength repeatability
|
0.05nm |
Baseline drift |
0.002A/30min |
Detector |
Wide spectral range photomultiplier tube |
Resolution |
Can distinguish Manganese light between light 279.5nm and 279.8nm two-manganese and troughs of energy between the two lines should be less than 20% |
2. Light Source System
Lamp holder |
4 lamp auto switch (6 lamp optional) |
Lamp power supply mode |
400Hz square wave pulse |
Lamp current adjustment range |
0 - 10mA average current |
3. Atomic system
Characteristic concentration (Cu) |
0.025μg/ml/1% |
Detection limit (Cu) |
0.006μg/ml |
Burner |
100mm single slit titanium burner, air-cooled pre-mixed |
Precision |
RSD≤1% |
Sprayer |
Set of efficient metal glass spray |
Room Spray |
Corrosion-resistant plastic spray chamber |
Safety measures |
With a variety of automated security features, acetylene gas leakage alarm, shut down the system |
4. Analysis methods
Measurement |
Air - acetylene flame method, hydride generation atomic absorption spectrometry, oxygen enriched air - acetylene flame method |
Concentration calculation |
Automatic working curve fitting, automatic calibration sensitivity automatically calculated concentration levels.
|
The number of repeated measurements |
1 to 99, automatic calculation of average concentration, standard deviation, relative standard deviation.
|
Print results |
Print the final stages of test data or analysis. The results can be exported into Excel worksheet. |
Software Environment |
Windows XP/Vista operating system, the English professional software |
II. Instrument parameters
Power supply |
AC 220V/50HZ |
Power |
150VAC |
Weight |
70kg |
Volume |
1000mm (length) × 400mm (width) × 470mm (high) |
Operating temperature |
10~35℃ |
Working humidity |
≤80% |
III. Standard Configuration
1. Host
2. HP Workstations
3. Low noise oil-free air compressor
4. 3 hollow cathode lamp
5. Operating software
IV. produced the atomic absorption spectrophotometer and other manufacturers of similar products, compared with the following advantages:
1. 4 lamps and optional 6-lamps, preheat light quantity can be customized, to shorten the waiting time during used.
2. Lights automatically optimized three-dimensional adjustment, so that maximum energy.
3. Test results can be exported in various formats can be directly opened with office software, faster and more convenient.
4. Software remote control, a problem may provide remote technical support to solve the problem more timely.
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