Feed atomic absorption spectrophotometerThe basic parameters of the atomic absorption spectrophotometer comply with the industry standard GB/T 6780-93.

1、 Optical system of feed atomic absorption spectrophotometer
Wavelength range 190-900nm
Monochromator aberration correction C-T type monochromator
Spectral bandwidths of 0.2, 0.4, 1.0, and 2.0nm are automatically selectable in four levels
Wavelength accuracy better than ± 0.25nm
Wavelength repeatability 0.15nm
Baseline drift 0.004A/30min
Detector high sensitivity, wide spectral range photomultiplier tube
Resolution: Spectral bandwidth of 0.2nm with split manganese double lines (279.5nm and 279.8nm) and valley to peak energy ratio<20%

2、 Atomization system
Characteristic concentration (Cu) 0.025ug/ml/1%
Detection limit (Cu) 0.006ug/ml
100mm metal titanium burner, air-cooled premixed type
Precision RSD ≤ 1%
Spray High efficiency glass, all plastic, stainless steel atomizer
Atomization chamber made of corrosion-resistant materials
Position adjustment: The optimal height and front and rear positions of the flame burner can be adjusted, and the flame/hydride replacement can be completed in one minute
Multiple automatic safety protection functions of safety protection equipment, acetylene leakage alarm, and system shutdown

3、 Analysis method

Measurement methods: air acetylene flame method, hydride generator atomic absorption method, oxygen enriched air acetylene flame method
Concentration calculation method: Standard curve method (1-3 degree curve), automatic fitting, standard addition method
Repeat the measurement 1 to 20 times, calculate the average, and automatically provide the standard deviation and relative standard deviation
Result printing, parameter printing, data result printing, graphic printing, and summary report printing
Software environment Windows 98/2000/XP

4、 Parameters

Power supply AC 220V/50Hz
Power 150W
Weight 70kg
Volume 1000mm (length) x 350mm (width) x 390mm (height)
Working environment temperature: 10-35 ℃
Working environment humidity ≤ 80%

5、 Standard configuration
Host low-noise oil-free air compressor wooden box packaging and transportation, installation and commissioning, copper iron zinc manganese hollow cathode lamp

Specialized pressure gauge and accompanying accessories are provided to users for on-site training on machine usage