Description
AAS –series
Discover the AAS-32, an exceptional flame type analytical instrument featuring microprocessor control for precise operations. With its user-friendly LED display and D2 background correction, this advanced device ensures accurate and reliable measurements for your analytical needs. Experience seamless analysis and efficient research with the AAS-32.
| Specifications:
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| Wavelength range | 190-900 nm |
| Wavelength accuracy | ±0.5nm |
| 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 | ≤0.005A/30min |
| Background correction | The D2 lamp background correction capability at 1A is better than 30 times. |
Light Source System:
2 lamps are powered simultaneously (one preheating)
| Lamp current adjustment range: | 0~20mA, |
| Lamp power supply mode | 400Hz square wave pulse |
Optical System:
| Monochromator | Single beam, |
| Czerny-Turner design grating monochromator | |
| Grating | 1800 l/mm |
| Focal length | 277mm |
| Blazed Wavelength | 250nm |
| Spectral Bandwidth | 0.1nm, 0.2nm, 0.4nm, 1.2nm , 4 steps. |
| Adjustment | Manual adjustment for wavelength and slit |
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 |
| Position adjustment | Manual adjusting mechanism for vertical, |
| horizontal positions and the rotation angle of the burner | |
| Gas line protection | Fuel gas leakage alarm |
Detection and Data Processing System:
| Detector | R928 Photomultiplier with high sensitivity and wide spectral range. |
| Electronic and micro- | Automatic adjustment of light source power. |
| Computer system | Light energy and negative high-voltage auto-balance |
| Display mode | LED display of energy and measurement values, concentration direct reading |
| Read mode | Transient, time average, peak height, peak area. |
| Integral time is selectable in the range of 0.1-19.9s. | |
| Scale expansion | 0.1~99 |
| Data processing mode | Automatic calculation of mean, standard deviation and relative standard deviation. |
| Repeating number is in the rang of 1-99 | |
| Measurement mode | Automatic curve fitting with 3~7 standards; Sensitivity autocorrection |
| Result printing | Measurement data, working curve, |
| signal profile and analytical conditions can all be printed out. | |
| Instrument self-check | Check current status of each function key |
Characteristic Concentration and Detection Limit:
| Normal Air-C2H2 flame | Cu: Characteristic concentration≤0.025mg/L, Detection limit≤0.006mg/L; |
Function Expansion:
Hydride vapor generator can be connected for hydride analysis
Dimensions and weight:
| Main unit (LxWxH) | 1020 x 490 x 540 mm / Net weight : 80kg |
| Ordering Information:
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| Model | Description of Article |
| AAS-32 | flame type, Microprocessor control, LED display, D2 background correction |
