Atomic Absorption Spectrophotometer With Graphite Furnace System

Wavelength range

190nm—900nm adjustable

Grating

1800line/mm

Monochromator

Achromatic Czerny-Turner

Spectral bandwidth

0.2,0.4,1.0,2.0nm,there are many multi-stalls can be adjusted automatically.

Accuracy of the wavelength

±0.10nm

Receptivity of the wavelength

0.05nm

Base line stability

Static ±0.001A/30min  

Detector

Wide spectral range Photomultiplier tube

resolution

It can distinguish manganese lamp279.5nm and 279.8nm(double lines) and the energy less than 20%.

Lamp holder

Two lamp holder can be switched by hands

Lamp power supply mode

400Hz square wave pulse

Lamp current adjustment range

0 — 10mA average current

flame system method

The detection limit (Cu)

0.003μg/ml

Burner

100mm titanium metal burner

Precision

RSD≤0.5%

sprayer

Efficient glass sprayer with metal sleeve

Spraying room

Corrosion-resistant plastic spray room

The 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.

The measurement method

The standard curve method, the standard join the law method,Interpolation method

Concentration calculation method

The working curve can be fitted automatically,Sensitivity can be corrected and concentration and content can be calculated

Repeat measurement times

1~99times,the average value, content, the standard deviation,the relative standard deviation can be calculated automatically.

Results printed

The testing results can be printed in external printer

Operation system

This instrument is suitable for all kinds of software, the data can be automatic generated.