Main Specification | |
Wavelength range | |
190-900nm | |
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Wavelength accuracy | |
Better than ±0.25nm | |
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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%. | |
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Baseline stability | |
0.004A/30min | |
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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. | |
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Light Source System | |
Lamp turret | |
6-lamp turret ( Two high performance HCLs can be mounted on the turret to increase the sensitivity in flame analysis.); auto alignment; auto fine adjustment; fully automated scan and peak-picking | |
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Lamp current adjustment | |
Automatic adjustment and display. Wide pulse current: 0~25mA, Narrow pulse current: 0~10mA. | |
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Lamp power supply mode | |
Powered by two pulses (wide and narrow) simultaneously. | |
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Optical System | |
Monochomator | |
Single beam, Czerny-Turner design grating monochromator | |
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Grating | |
1800 l/mm | |
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Focal length | |
277mm | |
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Blazed Wavelength | |
250nm | |
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Spectral Bandwidth | |
0.1nm, 0.2nm, 0.4nm, 1.2nm, auto-switch over | |
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Atomizer | |
Flame/Graphite Furnace | |
Flame & Graphite Furnace atomizer automatic changeover | |
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Automatic graphite furnace position optimization, automatic flame height setting and horizontal position optimization. | |
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Automatic gas flow setting, alarm and automatic protection function for gas leak, abnormal flow, air-pressure deficiency and abnormal flame extinction, automatic ignition. | |
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Graphite Furnace Autosampler | |
Sample tray capacity | |
55 sample cups and 5 cups for matrix modifier | |
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Material of the sample cup | |
Polypropylene | |
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Volume of the standard cup | |
3ml for sample, 20ml for matrix modifier | |
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Number of repeatable measurements | |
Up to 99 times | |
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Sampling system | |
100ul and 5ml injectors, large flow sampling nozzle rinsing. | |
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Sampling precision and repeatability | |
Precision: 1%; Repeatability: 0.3% for min. sampling volume. | |
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Auto-correction | |
Sampling nozzle auto-correction, sample cup height auto correction. | |
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Detection and Data Processing System | |
Detector | |
Photomultiplier with high sensitivity and wide spectral range. | |
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Software | |
Windows 98/Me operating system | |
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Analytical method | |
Working Curve Method (1st order and 2nd order fitting) with automatic sensitivity correction; Standard Addition Method. | |
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Concentration | |
Auto-calculation of concentration and content | |
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Repeatable measurement | |
Repeated measurement of up to 99 times, automatic calculation of mean value, standard deviation and relative standard deviation. | |
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Multi-task Functions | |
Sequential measurement for multi-element determination to the same sample (Max. 6 elements). | |
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Condition reading | |
With model function | |
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Result printing | |
Measurement data and final analytical report printout, editing with Excel. | |
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Flame Analysis | |
Burner | |
10cm single slot all-titanium burner | |
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Spray chamber | |
All-plastic spray chamber. | |
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Nebulizer | |
High efficiency glass nebulizer with metal sleeve. | |
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Characteristic Concentration and Detection Limit | |
Air-C2H2 flame
Oxygen-rich Air-C2H2 flame (For WFX-210) | |
Cu: Characteristic concentration?0.025mg/L, Detection limit?0.006mg/L;
Ba: Characteristic concentration ? 0.22mg/L Al: Characteristic concentration ? 0.4mg/L | |
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Graphite Furnace Analysis | |
Temperature range | |
Room temperature~3000ºC | |
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Light-controlled temperature range | |
1500ºC -3000ºC, temperature auto-correction | |
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Temperature control accuracy | |
?1% | |
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Heating rate | |
2000ºC/s | |
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Characteristic mass | |
Cd?0.5 x 10-12g, Cu?5 x 10-12g, Mo?1 x 10-11g | |
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Precision | |
Cd?3%, Cu?3%, Mo?4% | |
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Safety protection | |
Protections for over-heating, over-current, and less cooling water and argon pressure monitoring functions
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