Spectro Photo Meter - Atomic Absorption WFX - 210 |
|
| Features |
- Innovated rich oxygen air-acetylene flame analysis technique
- Integrated flame/graphite furnace atomization system, changeable with flame emission burner
- Accurate fully automated control system
- Reliable fully automatic graphite furnace analysis
- Perfect safety protection measures
- Advanced and reliable electronic design
- Easy and practical analysis software
|
| Comparision |
Characteristic Mass of Some Elements using rich oxygen air-C2H2 flame and other flame methods |
| Element |
Wavelength (nm) |
Rich oxygen air–C 2 H2 flame |
N2O – C2H2 flame |
Air – C2 H2 flame |
| Ca |
422.7 |
0.009 |
0.05 |
0.07 |
| Yb |
378.8 |
0.037 |
0.08 |
7.6 |
| Eu |
459.4 |
0.137 |
0.3 |
3.0 |
| Al |
309.3 |
0.4 |
0.7 |
|
| Sr |
460.7 |
0.016 |
0.1 |
0.15 |
| Ba |
553.5 |
0.1 |
0.4 |
10.0 |
| Mo |
313.3 |
0.15 |
0.4 |
0.8 |
| W |
255.1 |
3.2 |
5.0 |
|
| Ga |
287.4 |
0.4 |
1.0 |
1.3 |
| Sm |
429.7 |
2.92 |
8.5 |
|
| La |
550.1 |
37.2 |
35.0 |
|
| Sn |
224.6 |
0.8 |
3.0 |
50 |
|
| |
| Specifications |
| |
Main Specification:
- Wavelength Range : 190 – 900nm
- Wavelength Accuracy: Better than ± 0.25 nm
- Resolution : Two spectral lines of Mn at 279.5nm and 279.8nm can be separated with the spectral bandwidth of 0.2 nm 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: Motorized 6 – lamp turret (Two high performance HCLs can be mounted on the turret to increase the sensitivity in flame analysis )
- Lamp current adjustment: Wide pulse current 0-25mA,Narrow pulse current 0 -10 mA
- Lamp power supply mode: 400Hz square wave pulse; 100Hz narrow square wave pulse + 400Hz wide square wave pulse.
|
Optical System
- Monochomator: Single beam, Czerny – Turner design grating monochromator
- Grating: 1800 I/mm
- Focal length: 277 mm
- Blazed wavelength: 250nm
- Spectral bandwidth: 0.1nm, 0.2nm, 0.4nm , 1.2nm, auto switch over
|
Flame Atomizer
- Burner: 10cm single slot all-titanium burner
- Spray chamber: Corrosion resistant all-plastic spray chamber
- Nebulizer: High efficiency glass nebulizer with metal sleeve, Sucking up rate : 6-7ml/min
- Emission burner: provided
|
Graphite Furnace
- Temperature range: Room temperature – 30000C
- Heating rate: 20000C/s
- Graphite tube dimensions: 28mm (L) x8 mm (OD)
- Characteristic mass: Cd ≤ 0.8 X 10- 12g ,Cu ≤ 5 x 10 -12g Mo ≤ 1 x 10-11g
- Precision: Cd≤3%, Cu≤3%, Mo≤ 4%
|
Detection and Data Procession System
- Detector: R928 photomultiplier with high sensitivity and wide spectral range
- Software: Under Windows operating system
- Analytical method: Working curve auto-fitting; standard addition method; automatic sensitivity correction; automatic calculation of concentration and content.
- Repeat times: 1-99 times , automatic calculation of mean value, standard deviation and relative standard deviation.
- Multi-task Function: Sequential determination of multi-elements in the same sample.
- Condition reading: With model function
- Result printing: Measurement data and final analytical report printout, editing with Excel.
|
| Standard RS – 232 serial port communication |
Graphite Furnace Auto sampler
- Sample tray capacity: 55 sample vessels and 5 reagent vessels
- Vessel material: Polypropylene
- Vessel Volume: 3ml for sample vessel, 20ml for regent vessel
- Minimum sampling volume: 1µl
- Repeatable sampling times: 1 – 99 times
-
Sampling system: Accurate dual pump system, with 100µl and 1ml injectors.
|
| Characteristic concentration and Detection Limit :
Air – C2H2 flame
- Rich oxygen Air-C2H2 flame:
- Cu : Characteristic concentration ≤ 0.025 mg/L, Detection Limit ≤ 0.006mg/L,
- Ba : Characteristic concentration ≤ 0.22mg/L,
- Al: Characteristic concentration ≤ 0.4mg/L
|
Function Expansion
- Hydride vapor generator can be connected for hydride analysis.
|
Dimensions and Weight
- Main unit: 107x49x58 cm, 140kg
- Graphite furnace: 42x42x46cm, 65kg
- Auto sampler: 40x29x29 cm , 15 kg
|
