Main Specification
|
Wavelength range
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190-900nm
|
Wavelength accuracy
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Better than ±0.25nm
|
Resolution
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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
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0.004A/30min
|
Background correction
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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
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Lamp turret
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Motorized 6-lamp turret (Two high performance
HCLs can be mounted on the turret to increase
the sensitivity in flame analysis.)
|
Lamp current adjustment
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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 pulse wave.
|
Optical System
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Monochomator
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Single beam, Czerny-Turner design grating
monochromator
|
Grating
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1800 l/mm
|
Focal length
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277mm
|
Blazed Wavelength
|
250nm
|
Spectral Bandwidth
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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~3000ºC
|
Heating rate
|
2000℃/s
|
Graphite tube dimensions
|
28mm (L) x 8mm (OD)
|
Characteristic mass
|
Cd≤0.8 ×10-12g, Cu≤5 ×10-12g, Mo≤1×10-11g
|
Precision
|
Cd≤3%, Cu≤3%, Mo≤4%
|
Detection and Data
Processing 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 Functions
|
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 Autosampler
|
Sample tray
capacity
|
55 sample vessels and 5 reagent vessels
|
Vessel material
|
Polypropylene
|
Vessel volume
|
3ml for sample vessel, 20ml for reagent 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
|
107×49×58cm, 140kg
|
Graphite furnace
|
42×42×46cm, 65kg
|
Autosampler
|
40×29×29cm, 15kg
|