China 1800 Lines Single Beam 4 Lamp Holder Atomic Absorption Spectrophotometer

Instruments meet the basic parameters of GB/T 6780-93 standard(requirements of the basic parameters of atomic absorption spectrophotometer).

I.Performance
1. Optical System

Wavelength range190nm--900nmGrating groove density1800 linesMonochromatorCzerny-TurnerSpectral Bandwidth0.2,0.4,1.0,2.0nm,multi-speed automatic switchingWavelength accuracy±0.25nmWavelength repeatability


0.05nmbaseline drift0.002A/30minDetectorWide spectral range photomultiplier tubeResolutionCan distinguish Manganese light between light 279.5nm and 279.8nm two-manganese and troughs of energy between the two lines should be less than 20%

2. Light Source System

Lamp holder4 lamp auto switch (6 lamp optional)Lamp power supply mode400Hz square wave pulseLamp current adjustment range0 - 10mA average current

3. Atomic system

Characteristic concentration (Cu)0.025μg/ml/1%Detection limit (Cu)0.006μg/mlBurner100mm single slit titanium burner, air-cooled pre-mixedPrecisionRSD≤1%SprayerSet of efficient metal glass sprayRoom SprayCorrosion-resistant plastic spray chamberSafety measuresWith a variety of automated security features, acetylene gas leakage alarm, shut down the system

3. Analysis methods

MeasurementAir - acetylene flame method, hydride generation atomic absorption spectrometry, oxygen enriched air - acetylene flame methodConcentration calculationAutomatic working curve fitting, automatic calibration sensitivity automatically calculated concentration levels.
The number of repeated measurements1 to 99, automatic calculation of average concentration, standard deviation, relative standard deviation.
Print resultsPrint the final stages of test data or analysis. The results can be exported into Excel worksheet.Software EnvironmentWindows XP/Vista operating system, the English professional software

II. Instrument parameters

Power supplyAC 220V/50HZPower150VACWeight70kgVolume1000mm (length) x 400mm (width) x 470mm (high)Operating temperature10~35ºCWorking humidity≤80%

III. Standard Configuration

1. Host
2. HP Workstations
3. Low noise oil-free air compressor
4. 3 hollow cathode lamp
5. Operating software

IV. produced the atomic absorption spectrophotometer and other manufacturers of similar products, compared with the following advantages:

1. 4 lamps and optional 6-lamps, preheat light quantity can be customized, to shorten the waiting time during used.
2. Lights automatically optimized three-dimensional adjustment, so that maximum energy.
3. Test results can be exported in various formats can be directly opened with office software, faster and more convenient.
4. Software remote control, a problem may provide remote technical support to solve the problem more timely.