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% |