Atomic Absorption Spectrophotometer, BNAAS-B4530G
Advanced graphite furnace temperature controlling technology Safe, reliable and convenient flame system1.EPC can control the flow of Acetylene (C2H2) more accurate-ly and it is a kind of system which also can operate easily
2.Efficient atomization system enables a higher sensitivity
3.The whole operation system has a high security as the fire safety system can alarm whenever the electricity is cut off, abnormal flame occurs, a lack of pressure happens or the burner does not match well. And it will automatically turn off the gas, prohibit tempering. Thus it keeps the operation people and equipment from harm and damage.
Technical Data:
Flame System:
| Wavelength range | 190 – 900nm |
| Spectral bandwidth | 0.1, 0.2, 0.4, 1.0 and 2.0nm |
| Accuracy of the wavelength | ±0.15nm |
| Receptivity of the wavelength | ≤0.04nm |
| Base line stability | ≤0.002A/30min (Cu) |
| Characteristic viscosity | 0.02μg/ml/1% (Cu) |
| Checking limit | 0.004μg/ml (Cu) |
| Preciseness | 0.50% |
| Grating | 1800 lines/mm |
| Inflamer | All-metal titanium burner |
| Atomizer | Effective glass atomizer |
| Lamp stand | 8 |
| D2 background correction ability | When the background is 1 A, the background ability should be deducted not less than 50 times; self absorption background deduction method |
| Size and weight | 700mm×550mm×450mm 75Kg |
| Power source | 220V±22V AC |
Flame System:
| Acetylene air burner | 100mm |
| Ignition dynamic baseline drift | ≤0.006A/30min |
| (Cu) Characteristic viscosity | ≤0.025μg/ml/1% |
| Related standard deviation of the accuracy | ≤0.5%(Cu, absorbance＞0.8A) (detection limit Cu≤0.008μg/ml) |
| Safety system | Can automatically cut off the gas when the pressure is not enough, the power is off, flameout and unconformity of the burner. |
Graphite Furnace:
| The highest temperature | 3000℃ |
| The largest temperature rising speed | ≥2000℃/S |
| Characteristic quantity | Cd≤0.5×10-12g Cu≤0.5×10-11g |
| Accuracy | Cu≤3% Cd≤3% |
| Size and weight | 550mm×450mm×300mm 65Kg |
| Safety system | Over current protection Low air pressure alarm / protection Low cooling water flow alarm/protection |
| Power source and power | 220V±22V AC 7000W |
1. Completely controlled by PC, can flflexibly select the flflame and graphite furnace atomizer (optional).
2. Integrated flfloated optical platform design can obviously improve the optical system shock resistance and keep stable though use the optical signal for a long term.
3. Eight light stands can be changed automatically and preheat the eight lights meantime as well as optimize the working condition of the hollow cathode lamp.
4. Position adjusting: the best height of the flflame burner and can automatically set the front and rear positions.
5. Fully automated wavelength scanning and peak searching.
6. Complete safety chains protection equipment: the function of warning and automatic safety protection towards the wrong burner, leakage of the gas, under voltage of air and the abnormal flflameout.
7. Deuterium lamp and self-absorption background regulation
8. Data processing: super strong database, possesses more than 500 data self-storage and cut-off storage function, can store the analyzed result with the form of EXCEL and the testing method and the result can be randomly called.
9. Measuring method: flflame absorption method and emission method.
10. Result printing: parameter printing, data result printing and diagram printing.
Atomic absorption spectrophotometer is widely used in analysis of elements from the mixture in scientific research, environmental science, metallurgy, agriculture & chemical industry, food, mining, and petrochemical, pharmaceutical industries.
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