Home » Product List » Analysis Instrument » Atomic Absorption Spectrophotometer (WFX-210)
Product Details
Atomic Absorption Spectrophotometer (WFX-210)
Product Description
Wavelength range 190-900nm
Wavelength accuracy Better than ± 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.
| Main Specification | Wavelength range | 190-900nm |
| Wavelength accuracy | Better than ±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. | |
| 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 |
| 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 (wide and narrow) 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, auto-switch over | |
| Atomizer | Flame/Graphite Furnace | Flame & Graphite Furnace atomizer automatic changeover |
| Automatic graphite furnace position optimization, automatic flame height setting and horizontal position optimization. | ||
| Automatic gas flow setting, alarm and automatic protection function for gas leak, abnormal flow, air-pressure deficiency and abnormal flame extinction, automatic ignition. | ||
| Graphite Furnace Autosampler | Sample tray capacity | 55 sample cups and 5 cups for matrix modifier |
| Material of the sample cup | Polypropylene | |
| Volume of the standard cup | 3ml for sample, 20ml for matrix modifier | |
| Number of repeatable measurements | Up to 99 times | |
| Sampling system | 100ul and 5ml injectors, large flow sampling nozzle rinsing. | |
| Sampling precision and repeatability | Precision: 1%; Repeatability: 0.3% for min. sampling volume. | |
| Auto-correction | Sampling nozzle auto-correction, sample cup height auto correction. | |
| Detection and Data Processing System | Detector | Photomultiplier with high sensitivity and wide spectral range. |
| Software | Windows 98/Me operating system | |
| Analytical method | Working Curve Method (1st order and 2nd order fitting) with automatic sensitivity correction; Standard Addition Method. | |
| Concentration | Auto-calculation of concentration and content | |
| Repeatable measurement | Repeated measurement of up to 99 times, automatic calculation of mean value, standard deviation and relative standard deviation. | |
| Multi-task Functions | Sequential measurement for multi-element determination to the same sample (Max. 6 elements). | |
| 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. | |
| Characteristic Concentration and Detection Limit | Air-C2H2 flame Oxygen-rich Air-C2H2 flame | Cu: Characteristic concentration≤0.025mg/L, Detection limit≤0.006mg/L; Ba: Characteristic concentration ≤ 0.22mg/L Al: Characteristic concentration ≤ 0.4mg/L |
| Graphite Furnace Analysis | Temperature range | Room temperature~3000ºC |
| Light-controlled temperature range | 1500ºC -3000ºC, temperature auto-correction | |
| Temperature control accuracy | ≤1% | |
| Heating rate | 2000ºC/s | |
| Characteristic mass | Cd≤0.5 ×10-12g, Cu≤5 ×10-12g, Mo≤1×10-11g | |
| Precision | Cd≤3%, Cu≤3%, Mo≤4% | |
| Safety protection | Protections for over-heating, over-current, and less cooling water and argon pressure monitoring functions | |
| Dimensions and Weight | Main unit | 107X49X58cm, 140kg |
| Graphite furnace | 42X42X46cm, 65kg | |
| Autosampler | 40X29X29cm, 15kg |
| Packing: | Carton or boarding ark |
|---|---|
| Model: | WFX-210 |
| Productivity: | 500pcs/year |
| Unit Price/Payment: | FOB USD31,000.00/pc |
| Trademark: | UNICOM-OPTICS or Neutral English |
| Min. Order: | 1 |
| Transportation: | By air or by sea |
