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WFX-110B Atomic Absorption Spectrophotometer
WFX-110B Atomic Absorption Spectrophotometer

1.WFX-110B Atomic Absorption Spectrophotometer 2.Wavelength range:190-900nm 3.Wavelength accuracy:-0.25nm ~ +0.25nm

WFX-110B Atomic Absorption Spectrophotometer

The patented flame analysis technique adopting oxygen-rich air-acetylene flame as the substitution for nitrous oxide-acetylene flame for high temperature element analyses. Automatic hollow cathode lamp changeover. The high performance HCL can be used directly.Auto-changeover and position optimization of integrated flame.Auto-ignition, automatic spectral bandwidth selection. Fully automated wavelength scanning and peakingPerfect safety protection measures, alarm and automatic safety protection to fuel gas leakage, air pressure deficiency and abnormal flame extinction; spray chamber made of explosion-proof material, all-titanium burner and explosion-proof stopper for flame analyses; alarm and protection function to argon pressure deficiency, insufficient cooling water supply, over-heating and over-current etc. in graphite furnace analyses.Adopting large-scale programmable logic array and Inter IC bus technique and highly reliable adapters for electric design.Easy and flexible WINDOWS operating system, with multi-windows processing technology to observe the signal profile, the measured results and the calibration curve at the same time. Various analytical programs, data, signals and graphics can all be stored for later use.

Main Specification

Wavelength range


Wavelength accuracy



Two spectral lines of Mn at 279.5nm and 279.8nm can be separated with the spectral bandwidth of 0.2nm and valley-peak energy ratio less than 30%.

Baseline stability


Background correction

The D2 lamp background correction capability at 1A is better than 30 times. The S-H background correction capability at 1.8A is better than 30 times.

Hollow Cathode Lamps

Lamp turret

6-lamp turret, fully automated scan and peak-picking.

Lamp current adjustment

Automatic adjustment and display. Wide pulse current: 0~25mA, Narrow pulse current: 0~10mA 

Lamp power supply mode

Powered by two pulses simultaneously 

Optical System


Single beam, Czerny-Turner design grating monochromator


1800 l/mm

Focal length


Blazed Wavelength


Spectral Bandwidth

0.1nm, 0.2nm, 0.4nm, 1.2nm automatic change.



Flame & Graphite Furnace atomizer automatic changeover

Detection and Data Processing System


Photomultiplier with high sensitivity and wide spectral range.


Ms-Windows 98/Me operating system

Analytical method

Working Curve Method (1st order and 2nd order fitting), Sensitivity auto-correction, Standard Addition Method.


Auto-calculation of concentration and content

Repeatable measurement

Maximum 20 times of repeat measurement, automatic calculation of mean value, standard deviation and relative standard deviation.

Multi-task function

Sequential measurement of multi-elements in one sample

Condition reading

With model function

Result printing

Measurement data and final analytical report printout, editing with Excel.

Flame Analysis


10cm single slot all-titanium burner

Spray chamber

All-plastic spray chamber.


High efficiency glass nebulizer with metal sleeve.

Position adjustment

Adjusting mechanism for vertical, horizontal positions and the rotation angle of the burner.

Protection for gas system

Fuel gas leak protection, abnormal flame extinction alarm, air-pressure deficiency protection and explosion-proof device.

Flame ignition


Characteristic Concentration and Detection Limit

Normal Air-C2H2 flame

Cu: Characteristic concentration≤0.025mg/L, Detection limit≤0.006mg/L;

Oxygen-rich Air-C2H2 flame

Ba: Characteristic concentration ≤ 0.22mg/L Al: Characteristic concentration ≤ 0.4mg/L

Hydride generation

Hg: detection limit≤0.5ug/L

Power Supply

220V, 200W


1020 (L) × 492 (W) × 537 (H) mm (main unit)

420 (L) × 420 (W) × 460 (H) mm (graphite furnace)


Unpacked 80kg (main unit), 50kg (graphite furnace)

WFX-110B Atomic Absorption Spectrophotometer

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