Atomic Absorption Spectrophotometer, BNAAS-B320
Wavelength range: 190nm-900nmSpectral Bandwidth: 0.2nm,0.4nm,0.7nm,1.4nm,multi-speed automatic switching
Wavelength accuracy: £ ±0.5nm
Wavelength repeatability: £ 0.3nm (single direction)
Technical Data:
Working Conditions:
| WL range (nm) | 190-900 |
| WL accuracy | £ ±0.5nm |
| WL repeatability | £ 0.3nm (single direction) |
| Spectrum bandwidth | 0.2nm, 0.4nm, 0.7nm, 1.4nm, 2.4nm, 5.0nm |
| Resolution | <40% |
| Base line stability | ±0.004Abs/30min |
| Characteristic concentration of copper | £ 0.04mg/ml/1% |
| Detection limit of copper | £0.008mg/ml |
| Background calibration ability | Greater than 30 times |
| RS232 | including |
| Printer | optional |
| Power supply | 220V 3A, 50Hz |
| G.W. | 160kg 65kg |
| Package Dimensions | 1220x770x730mm (Main instrument) 800x400x900mm ( Accessories ) |
Working Conditions:
| Power source | 220V±22V,50Hz±1Hz,3A 220V±22V,50Hz±1Hz,30A |
| Powe | 5.1 kW for 220V on about 2700℃ |
| Ambient temperature | +10℃~+30℃ |
| Relative humidity | less than 85% |
| Instrument rating power | 7.2kW |
1.Build-in computer data processing and LCD display: stable and reliable with the functions of integral holding, peak height and area, auto zero adjusting, deuterium lamp background correction, multi-linear and nonlinear curves fitting, various parameters and working curves displayed in screen and report printing, etc. It is equipped with interface for externally linking PC.
2.Stability: Double-beam system can automatically compensate the light source drift and wavelength drift caused by the variation of temperature (with the function of the eliminating the affection of wavelength drift on the base line stability) and electronic circuit drift so as to reach a good basic line stability.
3.Quickly: The cathode lamp needs not be pre-heated for long time and sample can be analyzed immediately. It is the preferable instrument chosen by users to conduct analysis of multiple kinds of elements and fast analysis of samples.
4.High precision of measurement: Gas path system is equipped with precision pressure stabilizing and current stabilizing devices to reach stable flflame and low noise. Specially designed fine light beam passes through the flflame
to ensure a high precision analytical test and low characteristic concentration
5.High energy optical path: A total reflflection system is adopted to eliminate color difference in full range. By means of chemical conversion, a round light spot of the light source becomes a long light spot, which enters into the slit. Therefore the light flflux of double beam is enhanced.
6.Long-life and anti-corrosive atomization system: The burner is made of new type titanium alloys, anti-corrosive and fast thermal equilibrium. It meets the requirement of measurement sensitivity without water-cooling.
7.Multi-functional analysis mode: for methods of flflame absorption, flflame emission, graphite furnace atomic absorption and hydride generation.
8.Safe and reliable gas path system: Special devices of quick gas conversion and safety protection can be used to analyze air-acetylene flflame as well as nitrous oxide-acetylene flflame and extend the analytic elements to reach more than 60.
9.Complete set of accessories: to be supplied with the instrument and ready for use after they are purchased
Atomic Absorption spectrophotometer is used in scientific research, quality control, disease control, environmental protection, metallurgy, agriculture, chemical industry, and analysis of samples, equipment maintenance, simple and convenient.
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