Working spectral range |
190 to 900 nm |
Spectral Bandwith |
0.1, 0.2, 0.4, 1.0 and 2.0 nm |
Wavelength accuracy |
± 0.15 nm |
Wavelength repeatability |
≤ 0.04 nm |
Baseline stability |
≤ 0.002 Abs / 30 min |
Characteristic concentration of copper |
0.02 μg / ml / 1 % |
Detection limit of copper |
0.004 μg / ml |
Measurement Repeatability |
0.005 |
Grating |
1800 lines / mm |
Inflamer |
All-metal titanium burner |
Atomizer |
Efficient glass atomizer |
Lamp stand |
8 lamps automatic turret, automatic alignment |
D2 Background calibration ability |
1 A ≤ 30 times correction ability |
Dimensions |
700 × 550 × 450 mm |
Net weight |
75 Kg |
Power supply |
220 V ± 22 V AC |
Acetylene air burner |
100 mm |
Ignition dynamic baseline drift |
≤ 0.006 Abs / 30 min |
Characteristic viscocity |
≤ 0.025 μg / ml / 1 % |
Standard deviation of the accuracy |
≤ 0.5 % (Cu, absorbance > 0.8 A) (detection limit Cu ≤ 0.008 μg / ml) |
Protection system |
Can inevitably cut off gas if pressure is low, power cut-off, flame out and alteration of the burner |
- Integrated flame/graphite furnace atomization system, changeable with flame emission burner
- Turret for 8 pre-aligned Hollow Cathode Lamps fitted with pre-heating, and individual pre-centred lamps
- PID and Dual curve mode light-controlled temperature control technique ensures fast heating and analytical sensitivity
- Fully automated wavelength scanning and peak searching
- Advance software for complete parameter settings
- Reliable fully automatic graphite furnace analysis
- Alarm feature to protect fuel gas leakage, abnormal flow, insufficient air pressure and abnormal flame extinction in flame system
- Analysis of elements by flame absorption method and emission method
- Strong database system which possesses more than 500 data self-storage
- Results printed as parameter, data result and diagram
GRAPHITE FURNACE |
|
Maximum temperature |
3000 ℃ |
Temperature increasing speed |
≥ 2000 ℃ / S |
Characteristic quantity |
(Cd) ≤ 0.5 × 10 to 12g , (Cu) ≤ 0.5 × 10 to 11g |
Accuracy |
(Cu) ≤3 % , (Cd) ≤ 3 % |
Dimension |
550 × 450 × 300 mm |
Net weight |
65 Kg |
Safety system |
Protection for Overload current, reduced air pressure, low cooling water flow |
Power supply |
220 V ± 22 V AC, 7000 W |
It is suitable to analyse trace amount of element from mixture, also in forensics and chemistry, biological science to detect toxic elements from blood and drug samples.