632
S
SPECTROPHOTOMETERS
AAS-110B/120B/130B,
Flame Atomic Absorption Spectrophotometer
Features:
I
nnovated rich oxygen air-acetylene flame analysis
technique (AAS-110B)
The patented flame analysis technique adopting rich
oxygen air-acetylene flame as the substitution for
nitrous oxide-acetylene flame for high temperature
element analyses, such as Ca, AI, Ba, W, Mo, Ti, V,
etc. Flame temperature is continuously adjustable
between 2300-2950°C, which makes it possible to
choose the best atomization temperature for
different elements. It features easy operation, low
analysis cost and wide flame AAS analytical range.
Rich oxygen flame will not pollute the environment
and is not harmful to human bodies. It’s a
break-through in flame AAS analysis.
Flame atomization system with flame emission burner
A flame emission burner head can be installed to perform
flame emission analysis to Alkali metals as K, Na etc.
(AAS-110B/120B)
Accurate fully automated control system
●
Automatic multi-lamp turret, automatic adjustment
of lamp current and optimization of light beam position.
●
Automatic wavelength scanning and peak picking
●
Automatic spectral bandwidth changing
●
Automatic ignition
Perfect safety protection measures
Alarm and automatic protection to fuel gas leakage,
abnormal flow, insufficient air pressure and abnormal
flame extinction in flame system;
Advanced and reliable electronic design
●
Adopting large-scale programmable logic array
and Inter 12C bus technology
●
European type sockets and AMP adapters with high
reliability to ensure long term reliability of the
whole electronic system.
Easy and practical analysis software
●
Easy-to-use AAS analysis software is made under
Windows operating system, realizing fast parameter
setting and optimization.
●
Automatic display of measured data, automatic
calculation and analytical result automatic print out.
SPECIFICATIONS
Main Specification
Wavelength range
190-900nm
Wavelength accuracy
±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. (only for AAS-110B/120B)
Light Source System
Lamp turret
6-lamp turret (AAS-110B/120B), 4-lamp turret (AAS-130B)
Auto-alignment, 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 400Hz square wave pulse; 100Hz narrow square wave pulse + 400Hz
wide square wave pulse ( AAS-110B/120B )
Optical System
Monochromator
Single beam, Czerny-Turner design grating monochromator
Grating
1800 l/mm
Focal length
277mm
Blazed wavelength
250nm
Spectral bandwidth
0.1 nm, 0.2nm, 0.4nm, 1.2nm, automatic change.
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 with AAS-110A/120A
Detection and Data
Processing System
Detector
R928 photomultiplier with high sensitivity and wide spectral range.
Software
Windows operating system
Analytical method
Working curve auto-fitting; standard addition method;
automatic sensitivity correction;
automatic calculation of concentration and content.
Repeat times
Maximum 20 times of repeat measurement, automatic calculation of
mean value, standard deviation and relative standard deviation.
Multi-task function
Sequential measurement of multi-elements in one sample.
Condition reading
With model function
Result printing
Measurement data and final analytical report printout, editing with
Excel.
Standard RS-232 serial port communication
Characteristic
Concentration and
Detection Limit
Normal Air-C 2 H 2 flame Cu: Characteristic concentration
≤
0.025 mg/L,
Detection limit
≤
0.006mg/L;
Rich oxygen
Air-C 2 H 2 flame
Ba: Characteristic concentration
≤
0.22mg/L
AI: Characteristic concentration
≤
0.4mg/L (for AAS-110A)
Function Expansion
Hydridee vapor generator can be connected for Hydridee analysis.
Dimensions and Weight
1020 (L) x 490 (W) x 540 (H) mm (main unit), unpacked 80kg
Atomic Absorption
