DW-AA2081 flame atomic absorption spectrophotometer

Wavelength range

190nm——900nm

Grating groove density

1800 lines

Monochromator

Czerny-Turner

Spectral Bandwidth

0.2,0.4,1.0,2.0nm,multi-speed automatic switching

Wavelength accuracy

±0.25nm

Wavelength repeatability

0.05nm

Baseline drift

0.002A/30min

Detector

Wide spectral range photomultiplier tube

Resolution

Can 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%

Lamp holder

4 lamp auto switch (6 lamp optional)

Lamp power supply mode

400Hz square wave pulse

Lamp current adjustment range

0 - 10mA average current

Characteristic concentration (Cu)

0.025μg/ml/1%

Detection limit (Cu)

0.006μg/ml

Burner

100mm single slit titanium burner, air-cooled pre-mixed

Precision

RSD≤1%

Sprayer

Set of efficient metal glass spray

Room Spray

Corrosion-resistant plastic spray chamber

Safety measures

With a variety of automated security features, acetylene gas leakage alarm, shut down the system

Measurement

Air - acetylene flame method, hydride generation atomic absorption spectrometry, oxygen enriched air - acetylene flame method

Concentration calculation

Automatic working curve fitting, automatic calibration sensitivity automatically calculated concentration levels.

The number of repeated measurements

1 to 99, automatic calculation of average concentration, standard deviation, relative standard deviation.

Print results

Print the final stages of test data or analysis. The results can be exported into Excel worksheet.

Software Environment

Windows XP/Vista operating system, the English professional software

Power supply

AC 220V/50HZ

Power

150VAC

Weight

70kg

Volume

1000mm (length) × 400mm (width) × 470mm (high)

Operating temperature

10~35℃

Working humidity

≤80%