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Main Specification
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Wavelength range
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190-900nm
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Wavelength accuracy
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Better than ±0.25nm
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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%.
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Baseline stability
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0.004A/30min
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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.
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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.)
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Lamp current adjustment
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Wide pulse current: 0~25mA,
Narrow pulse current: 0~10mA.
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Lamp power supply
mode
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400Hz square wave pulse;
100Hz narrow square wave pulse + 400Hz wide square pulse wave.
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Optical System
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Monochomator
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Single beam, Czerny-Turner design grating
monochromator
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Grating
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1800 l/mm
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Focal length
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277mm
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Blazed Wavelength
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250nm
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Spectral Bandwidth
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0.1nm, 0.2nm, 0.4nm, 1.2nm, auto switch over
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Flame Atomizer
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Burner
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10cm single slot all-titanium burner
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Spray chamber
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Corrosion resistant all-plastic spray chamber.
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Nebulizer
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High efficiency glass nebulizer with metal sleeve, sucking up rate: 6-7mL/min
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Emission burner provided
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Graphite Furnace
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Temperature range
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Room temperature~3000ºC
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Heating rate
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2000℃/s
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Graphite tube dimensions
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28mm (L) x 8mm (OD)
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Characteristic mass
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Cd≤0.8 ×10-12g, Cu≤5 ×10-12g, Mo≤1×10-11g
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Precision
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Cd≤3%, Cu≤3%, Mo≤4%
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Detection and Data
Processing System
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Detector
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R928 photomultiplier with high sensitivity and wide spectral range.
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Software
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Under Windows operating system
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Analytical method
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Working curve auto-fitting; standard addition method; automatic sensitivity correction; automatic calculation of concentration and content.
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Repeat times
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1~99 times, automatic calculation of mean
value, standard deviation and relative standard deviation.
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Multi-task Functions
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Sequential determination of multi-elements in the same sample.
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Condition reading
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With model function
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Result printing
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Measurement data and final analytical report printout, editing with Excel.
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Standard RS-232 serial port communication
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Graphite Furnace Autosampler
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Sample tray
capacity
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55 sample vessels and 5 reagent vessels
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Vessel material
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Polypropylene
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Vessel volume
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3ml for sample vessel, 20ml for reagent vessel
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Minimum sampling
volume
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1μl
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Repeatable sampling times
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1~99 times
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Sampling system
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Accurate dual pump system, with 100μl and 1ml injectors.
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Characteristic Concentration and
Detection Limit
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Air-C2H2 flame
Rich oxygen Air-C2H2 flame
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Cu: Characteristic concentration ≤ 0.025 mg/L, Detection limit≤0.006mg/L;
Ba: Characteristic concentration ≤ 0.22mg/L
Al: Characteristic concentration ≤ 0.4mg/L
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Function Expansion
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Hydride vapor generator can be connected for hydride analysis.
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Dimensions and
Weight
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Main unit
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107×49×58cm, 140kg
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Graphite furnace
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42×42×46cm, 65kg
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Autosampler
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40×29×29cm, 15kg
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