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- Contact Person : Mr. Unicom Domty
- Company Name : Tsingtao Unicom-Optics Instruments Co., Ltd.
- Tel : 86-532-88480588
- Fax : 86-532-88480587
- Address : Shandong,Laixi,Building 2, Huanghai West Road
- Country/Region : China
- Zip : 266600
WFX-110B Atomic Absorption Spectrophotometer
WFX-110B Atomic Absorption Spectrophotometer
The patented flame analysis technique adopting oxygen-rich air-acetylene flame as the substitution for nitrous oxide-acetylene flame for high temperature element analyses. Automatic hollow cathode lamp changeover. The high performance HCL can be used directly.Auto-changeover and position optimization of integrated flame.Auto-ignition, automatic spectral bandwidth selection. Fully automated wavelength scanning and peakingPerfect safety protection measures, alarm and automatic safety protection to fuel gas leakage, air pressure deficiency and abnormal flame extinction; spray chamber made of explosion-proof material, all-titanium burner and explosion-proof stopper for flame analyses; alarm and protection function to argon pressure deficiency, insufficient cooling water supply, over-heating and over-current etc. in graphite furnace analyses.Adopting large-scale programmable logic array and Inter IC bus technique and highly reliable adapters for electric design.Easy and flexible WINDOWS operating system, with multi-windows processing technology to observe the signal profile, the measured results and the calibration curve at the same time. Various analytical programs, data, signals and graphics can all be stored for later use.
Main Specification | Wavelength range | 190-900nm |
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. The S-H background correction capability at 1.8A is better than 30 times. | |
Hollow Cathode Lamps | Lamp turret | 6-lamp turret, 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 | Powered by two pulses simultaneously | |
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. | |
Atomizer | Flame/Graphite | Flame & Graphite Furnace atomizer automatic changeover |
Detection and Data Processing System | Detector | Photomultiplier with high sensitivity and wide spectral range. |
Software | Ms-Windows 98/Me operating system | |
Analytical method | Working Curve Method (1st order and 2nd order fitting), Sensitivity auto-correction, Standard Addition Method. | |
Concentration | Auto-calculation of concentration and content | |
Repeatable measurement | 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. | |
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. | |
Protection for gas system | Fuel gas leak protection, abnormal flame extinction alarm, air-pressure deficiency protection and explosion-proof device. | |
Flame ignition | Automatic | |
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 Al: Characteristic concentration ≤ 0.4mg/L | |
Hydride generation | Hg: detection limit≤0.5ug/L | |
Power Supply | 220V, 200W | |
Dimensions | 1020 (L) × 492 (W) × 537 (H) mm (main unit) | |
420 (L) × 420 (W) × 460 (H) mm (graphite furnace) | ||
Weight | Unpacked 80kg (main unit), 50kg (graphite furnace) | |
WFX-110B Atomic Absorption Spectrophotometer