- Contact Person : Ms. Tang Yurong
- Company Name : Beijing Beifen-Ruili Analytical Instrument (Group) Co., Ltd.
- Tel : 86-10-84347289
- Fax : 86-10-64377039
- Address : Beijing,beijing,No. 160 Beiqing Road, Haidian District, Beijing 10095
- Country/Region : China
WFX-130A Atomic Absorption Spectrophotometer
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Atomic Absorption Spectrophotometer
Model: WFX-130A
FEATURES:
1 Accurate fully automated control system
1.1 Automatic multi-lamp turret, automatic adjustment of lamp current and optimization of light beam position
1.2 Automatic wavelength scanning and peak picking
1.3 Automatic spectral bandwidth changing
1.4 Automatic changeover between flame and graphite furnace operation, automatic optimization of position parameters and automatic ignition
2 Reliable fully automatic graphite furnace analysis
2.1 Adopting FUZZY-PID and dual curve mode light-controlled temperature control technique, temperature auto-correction technique, ensures fast heating, good temperature reproducibility and high analytical sensitivity. The temperature control accuracy is less than 1%
2.2 Graphite furnace with pneumatic control and pressure lock ensures constant pressure and reliable contact
3 Perfect safety protection measures
3.1 Alarm and automatic protection to fuel gas leakage, abnormal flow, insufficient air pressure and abnormal flame extinction in flame system
3.2 Alarm and protection function to insufficient carrier gas and protective gas pressure, insufficient cooling wate supply and over-heating in graphite furnace system
4 Advance and reliable electronic design
4.1 Adopting large-scale programmable logic array and Inter I2C bus technology
4.2 European type sockets and AMP adapters with high reliability to ensure long term reliability of the whole electronic system
5 Easy and practical analysis software
5.1 Easy-to-use AAS analysis software is made under Windows operating system, realizing fast parameter setting and
optimization
5.2 Automatic display of measured data, automatic calculation and analytical result automatic print out.
SPECIFICATIONS:
Main Specification | Wavelength range | 190-900nm |
Wavelength accuracy | Better than ±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 | |
Hollow Cathode Lamps | Lamp turret | 4-lamp turret; Auto-alignment, fully automated scan and peak-picking. |
Lamp current adjustment | 400Hz square wave pulse Wide pulse current: 0~25mA,Narrow pulse current: 0~10mA | |
Lamp power supply mode | 400Hz square wave pulse | |
Optical System | Monochomator | 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, 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 | |
Graphite Furnace | Temperature range | Room temperature~3000ºC |
Heating rate | 2000°C/s | |
Graphite tube dimensions | 28mm(L)×8mm(OD) | |
Characteristic mass | Cd≤0.5 ×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, standdard deviation and relative standard deviation. | |
Multi-task Functions | Sequential measurement for multi-element determination 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≤0.025mg/L, Detection limit≤0.006mg/L; |
Function Expansion | Hydride vapor generator can be connected for hydride analysis | |
Dimensions and weight | Main unit | 102×49×54cm, unpacked 80kg |
Graphite furnace | 42×42×46cm, unpacked 50kg | |
