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Instrument Database:
Beijing Rayleigh Analytical Instrument Corporation (BRAIC) - WFX-320 Atomic Absorption Spectrophotometer
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| Year of introduction |
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| Status |
available |
| Company |
Beijing Rayleigh Analytical Instrument Corporation (BRAIC)
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| Categories |
Spectrometer ( Atom. ): AAS: Flame
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| Specifications |
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Main Specification
Wavelength range
190-900nm
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
Lamp number
2 lamps (one preheating)
Lamp current adjustment
Micro-computer control
Adjustment range: 0~20mA,
Lamp power supply mode
Powered by square pulses
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
Detection and Data Processing System
Detector
Photomultiplier with high sensitivity and wide spectral range.
Electronic and micro-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, integral, peak height, peak area.
Integral or sampling time is 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
3~7 standards can be determined for curve fitting. Sensitivity correction available.
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
Flame Analysis
Burner
10cm single slot all-titanium burner
Spray chamber
All-plastic spray chamber.
Nebulizer
High efficiency glass nebulizer with metal sleeve.
Position adjustment
Adjusting mechanism for vertical, horizontal positions and the rotation angle of the burner.
Gas line protection
Fuel gas leak alarm
Characteristic Concentration and Detection Limit
Air-C2H2 flame
Cu: Characteristic concentration≤0.025mg/L, Detection limit≤0.006mg/L;
Function Expansion
Flameless analysis with WF-1C graphite furnace system available.
Hydride vapor generator can be connected for hydride analysis.
Dimensions and Weight
1020 x 490 x 540 mm, 80kg unpacked
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