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Model No: AAS-004
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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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±0.5nm
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Resolution
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better than 0.3nm
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Baseline Stability
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0.005A/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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Hollow Cathode Lamps
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Lamp Turret
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6-lamp turret automatic changeover
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Lamp Current Adjustment
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Automatic adjustment and display.Wide pulse current: 0~25mA, Narrow pulse current: 0~10mA.
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Lamp Power Supply mode
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Powered by two pulses: 400Hz wide pulse and 100Hz narrow pulse simultaneously
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Optical System
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Monochromator
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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
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Detection and Data Processing System
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Detector
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Photomultiplier with high sensitivity and wide spectral range
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Software
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Ms-WindowsTM operating system
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Analytical Method
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Working Curve Method (1st order and 2nd order fitting), Standard addition method
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Repeatable Measurement
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Maximum 20 times of repeat measurement, automatic calculation of mean value, standard deviation and relative standard deviation
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Condition Reading
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With model function
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Result Printing
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Measurement of data and final analytical report printout
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Flame Analysis
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Burner
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10cm single slot all titanium burner for Air-C2H2flame; 5cm single slot all titanium burner for oxygen rich flame
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Spray Chamber
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All plastic spray chamber
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Nebulizer
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High efficiency glass nebulizer with metal sleeve
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Position Adjustment
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Adjusting mechanism for vertical, horizontal positions and the rotation angle of the burner
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Protection of Gas System
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Fuel gas leak protection, abnormal flame extinction alarm, air-pressure deficiency protection and explosion proof device
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Flame Ignition
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Automatic
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Characteristics Concentration and Detection Limit
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Normal Air C2H2 Flame
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Cu: Characteristic concentration ≤0.05mg/L, Detection limit≤0.006mg/L;
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Oxygen Rich Air C2H2Flame
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Ba: Characteristic concentration ≤0.22mg/L
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Hydride Generation
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Hg: detection limit ≤ 0.5μg/L
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Dimension (L x W x H) mm
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1020x490x540
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Weight
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Unpacked 80kg
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