Main Specification | Wavelength range | 190-900nm |
Wavelength accuracy | ±0.25nm |
Resolution | Two spectral lines of Mn at 279.5nm and 279.8nm can be separated with the spectral bandwidth of 0.2nm and valley-peak energy ratio less than 30%. |
Baseline stability | ≤0.004A/30min |
Background correction | The D2 lamp background correction capability at 1A is better than 30 times. The S-H background correction capability at 1.8A is better than 30 times. ( only for AAS-110A/120A) |
Light Source System | Lamp turret | 6-lamp turret (AAS-110A/120A), 4-lamp turret (AAS-130A) Auto-alignment, fully automated scan and peak-picking. |
Lamp current adjustment | Automatic adjustment and display. Wide pulse current: 0~25mA, Narrow pulse current: 0~10mA |
Lamp power supply mode | 400Hz square wave pulse; 100Hz narrow square wave pulse + 400Hz wide square wave pulse ( AAS-110A/120A ) |
Optical System | Monochromator | Single beam, Czerny-Turner design grating monochromator |
Grating | 1800 l/mm |
Focal length | 277mm |
Blazed wavelength | 250nm |
Spectral bandwidth | 0.1 nm, 0.2nm, 0.4nm, 1.2nm, automatic change. |
Flame Atomizer | Burner | 10cm single slot all-titanium burner |
Spray chamber | Corrosion resistant all-plastic spray chamber. |
Nebulizer | High efficiency glass nebulizer with metal sleeve. sucking up rate: 6-7mL/min |
Emission burner | Provided with AAS-110A/120A |
Graphite Furnace | Temperature range | Room temperature-3000°C |
Heating rate | 2000°C/s |
Graphite tube dimensions | 28mm (L) x 8mm (OD) |
Characteristic mass | Cd≤0.8*10-12g, Cu≤5*10-12g, Mo≤1*10-11g |
Precision | Cd≤3%, Cu≤3%, Mo≤4% |
Detection and Data Processing System | Detector | R928 photomultiplier with high sensitivity and wide spectral range. |
Software | Windows operating system |
Analytical method | Working curve auto-fitting; standard addition method; automatic sensitivity correction; automatic calculation of concentration and content. |
Repeat times | Maximum 20 times of repeat measurement, automatic calculation of mean value, standard deviation and relative standard deviation. |
Multi-task function | Sequential measurement of multi-elements in one sample. |
Condition reading | With model function |
Result printing | Measurement data and final analytical report printout, editing with Excel. |
Standard RS-232 serial port communication |
Characteristic Concentration and Detection Limit | Normal Air-C2H2 flame | Cu: Characteristic concentration ≤ 0.025 mg/L, Detection limit≤0.006mg/L; |
Rich oxygen Air-C2H2 flame | Ba: Characteristic concentration ≤ 0.22mg/L AI: Characteristic concentration ≤ 0.4mg/L (for AAS-110A ) |
Function Expansion | Hydridee vapor generator can be connected for Hydridee analysis. |
Dimensions and Weight | 1020 (L) x 490 (W) x 540 (H) mm (main unit), unpacked 80kg 420 (L) x 420 (W) x 460 (H) mm (graphite furnace), unpacked 50kg |
