Flame Atomic Absorption Spectrometer
Atomic Absorption Spectrometer
The Flame–Graphite Furnace Integrated Atomic Absorption Spectrometer is a brand–new product elaborately developed by integrates flame, graphite furnace and hydride generation systems, and supports a variety of accessories. Flexible configuration options meet the demands of customers at different levels. Capable of analyzing complex samples, the enables automatic switching among multiple analytical methods to realize unattended full–automatic analysis.
Widely applied in scientific research, quality inspection, CDC, environmental protection, metallurgy, agriculture–forestry, chemical industry and other fields, the features innovative hardware and software design to guarantee accuracy, safety and user–friendliness for sample analysis, with simple and convenient instrument maintenance.
Equipped with a high–precision fully–automatic optical system, the spectrometer adopts a large–area grating with 1800 lines per millimeter and a novel auto–collimating monochromator. All optical lenses are coated with quartz film. The broad detection range and superior optical stability ensure analytical precision. Its fully–automatic eight–lamp holder is fitted with 8 independent lamp power supplies for separate preheating.
The equipped with highly–intelligent powerful software with a user–friendly Chinese interface. It supports full–automatic control of the instrument and peripherals, automatic optimization and automatic dilution. Operated via mouse, it can automatically set menu parameters and calibration methods, and realize dynamic display of measurement data.
SPECIFICATION
L
|
Model |
AS2510 |
|
Wavelength Range |
190–900 nm, automatic
peak searching, one–key optical optimization function |
|
Grating Groove
Density |
1800 lines/mm |
|
Wavelength
Repeatability |
±0.1nm |
|
Wavelength Accuracy |
≤0.15nm |
|
Optical System |
Large–area grating with
1800 lines/mm, fully–enclosed optical system |
|
Spectral Bandpass |
0.1, 0.2, 0.4, 1.0,
2.0 nm, automatic setting |
|
Background
Correction System |
Dual modes of
deuterium–lamp and self–absorption background correction; background
rejection capacity over 50–fold at 1 A background signal |
|
Lamp Holder |
8–lamp platform with
automatic switching and fully–automatic collimation |
|
Absorbance Range |
0-4A |
|
Detector |
Imported
photomultiplier tube |
|
Flame
System |
|
|
Baseline Drift |
Static: ≤±0.002 A/30 minutes; Dynamic: ≤±0.005 A/30 minutes |
|
Characteristic
Concentration |
Cu：< 0.015μg/ml/1% |
|
Precision |
RSD≤0.5% |
|
Detection Limit |
Cu：< 0.002ug/mL |
|
Gas Control |
Fully Automatic Gas Control
System |
|
Burner Head |
Full-titanium burner; universal
50 mm or 100 mm burner |
|
Nebulization Chamber |
Polymer-based explosion-proof
and corrosion-resistant atomization chamber |
|
Nebulizer |
Glass atomizer; also available
for customization. |
|
Ignition Mode |
Microcomputer-controlled,
automatic ignition |
|
Security |
Multiple protective features,
including gas leak detection alarms, flame back protection, and automatic
power disconnection upon detecting abnormal conditions. |
|
Graphite
furnace system |
|
|
Characteristic Value
(Cd) |
0.5×10-12g（Cd） |
|
Detection Limit (Cd) |
0.4×10-12g（Cd） |
|
Precision (Cd) |
≤3% |
|
Cooling Water |
A cooling water circulation
system may be selected. |
|
Security |
Alarms for graphite tube
damage, water flow rate, air pressure, etc.: Overheating protection for water
temperature |
|
Heating Mode |
longitudinal heating |
|
Temperature-control Mode |
Vertical optical temperature
control system for monitoring the inner wall temperature of a graphite tube |
|
Temperature Range Programmed
Temperature Control |
The system features
full-automatic temperature control from room temperature to 3000 °C, with a capability to achieve
20-stage temperature gradients and achieve a concentration enrichment factor
of up to 20-fold within the furnace. |
|
Graphite
furnace automatic sampler |
|
|
Specimen Disc |
130 positions |
|
Injection Volume |
0.01-100μl |
|
Minimum Increment |
0.01 μl |
|
Injection Volume Repeatability |
1% |
|
Number of Replicate Injections |
Up to 99 times |
|
Cleaning Container Volume |
500mL |
|
Data
Handling |
|
|
Measurement Method |
Flame method, graphite furnace
method, hydride-atomic absorption method |
|
Concentration Calculation
Method |
Standard curve method
(1-3-order curve), automatic fitting, standard addition method |
|
Number of repeated measurements |
1-99 times; calculate average
value, output standard deviation and relative standard deviation |
|
Print Results |
Parameter printing, data result
printing, graph printing; exportable to WORD and EXCEL documents |
Feature
- High–precision fully–automatic optical system: 1800–line grating and novel auto–collimating monochromator. Wide detection range and excellent optical stability guarantee analytical accuracy.
- Eight–lamp holder: Fully–automatic 8–lamp holder equipped with 8 independent lamp power supplies for separate preheating.
- Full automation: Automatically completes safe ignition, flame–off and mode switching. Reliable structure with low failure rate ensures sensitivity and reproducibility for flame–mode measurement.
- Background correction system: Adopts deuterium hollow–cathode lamp and self–absorption background correction to eliminate molecular–absorption interference in low–level determination. When the deuterium–lamp background signal is 1 A, the background–rejection capacity is greater than 50–fold.
- Autosampler: Integrated with graphite furnace. Adopts high–precision syringe with minimum sample injection volume of 0.5 μL, featuring intelligent on–line dilution and concentration functions.
Application
- Widely used for elemental analysis
- Precious–metal analysis, water quality testing for environmental protection, alloy materials
- Quantitative elemental analysis in scientific fields including building materials, medicine & health, and institutions of higher education