Flame Graphite Furnace Atomic Absorption Spectrophotometer, BNAAS-C130G
Wavelength range: 190nm-900nmWavelength accuracy: ±0.25nm
Baseline stability: ≤0.004A/30min
Technical Data:
| Main Specification | Wavelength range | 190-900n |
| 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. | |
| Hollow Cathode Lamps | Lamp turret | 4-lamp turret |
| 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 | |
| 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℃/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≤0.025mg/L, Detection limit≤0.006mg/L; |
| Oxygen-rich Air-C2H2 flame | Ba: Characteristic concentration ≤ 0.22mg/L | |
| Function Expansion | Hydride vapor generator can be connected for hydride analysis. | |
| Dimensions and weight | 1020 (L) × 490(W) × 540 (H) mm (main unit), unpacked 80kg | |
| 420 (L) × 420 (W) × 460 (H) mm (graphite furnace), unpacked 50kg | ||
Integrated flflame/graphite furnace atomization system, changeable with flflame emission burner
Easy and practical analysis software
Accurate fully automated control system
Automatically controlled changeover of the integrated flflame and graphite furnace atomizer featuring easy operation and time saving eliminates human labor.
A flflame emission burner head can be installed to perform flflame emission analysis to Alkali metals as K, Na etc. (BNAAS-C110G/C120G)
Easy and practical analysis software
Easy-to-use AAS analysis software is made under Windows operating system, realizing fast parameter setting and optimization.
Automatic display of measured data, automatic calculation and analytical result automatic print out.
Accurate fully automated control system
Automatic multi-lamp turret, automatic adjustment of lamp current and optimization of light beam position.
Automatic wavelength scanning and peak picking
Automatic spectral bandwidth changing
Automatic changeover between flflame and graphite furnace operation, automatic optimization of position parameters, and automatic ignition
Accurate fully automated control system
Perfect safety protection measures
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%.
Graphite furnace with pneumatic control and pressure lock ensures constant pressure and reliable contact
Perfect safety protection measures
Alarm and automatic protection to fuel gas leakage, abnormal flflow, insufficient air pressure and abnormal flflame extinction in flflame system;
Alarm and protection function to insufficient carrier gas and protective gas pressure, insufficient cooling water supply and over-heating in graphite furnace system.
Advanced and reliable electronic design
Advanced and reliable electronic design
Adopting large-scale programmable logic array and Inter I2C bus technology
European type sockets and AMP adapters with high reliability to ensure long term reliability of the whole electronic system.
Atomic absorption spectrophotometer is used to analyze elements in agriculture, chemical, environmental study, food, mining, and petrochemical, pharmaceutical industries.
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