AA2600 Atomic Absorption Spectrophotometer 

1. Optical system

Wavelength range:190nm——900nm.

Monochromator:Aberration poor C-T monochromator.

Spectral bandwidth:0.1,0.2,1.0,2.0nm,fourth gear can be automatically selected.

Accuracy of the wavelength:±0.25nm.

Receptivity of the wavelength:0.15nm.

Base line stability:0.004A/30min.

Detector:photomultiplier tube.

Resolution:when spectral bandwidth is 0.2nm,Separate manganese double wire(279.5nm and 279.8nm) and valley peak energy ratio<20%

2.Flame Atomic System

Characteristic viscosity:(Cu)0.03μg/ml/1%

Checking limit :(Cu) 0.006μg/ml

Burner:100mm (titanium metal burner),Air-cooled pre-mixed type.

precision:RSD≤1%

Sprayer:Efficient glass atomizer

Spraying room:Corrosion-resistant material spray chamber.

Position adjustment:flame burner’s best height and before and after location can be adjusted, the flame and hydride can be exchanged within 60s.

Safety system:can automatically cut off the gas when the pressure is not enough, the power is off, flame out and unconformity of the burner.

3.Analytical System

Measurement methods:air-acetylene flame method,hydride generator atomic absorption method oxygen rich acetylene flame method.

Concentration calculation method:Standard curve method(1~3times),automatically fit,Standard join law.

Repeat measurement times:1~20 times,to calculate the average,Standard deviation and relative standard deviation can be given

The results of print:parameter printing,the results of data printing, graphic printing,summary report.