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Element Analyzers

CHNS Analyzer, XRF, AES, OES, AAS, AFS, ADX

WFX-110B/120B/130B Flame Atomic Absorption Spectrophotometer

Innovated rich oxygen air-acetylene flame analysis technique (WFX-110B) The patented flame analysis technique adopting rich oxygen air-acetylene flame as the substitution for nitrous oxide-acetylene flame for high temperature element analyses, such as Ca, Al, Ba, W, MO, Ti, V, etc. Flame temperature is continuously adjustable between 2300-2950C, which makes it possible to choose the best atomization temperature for different elements. It features easy operation, low analysis cost and wide flame AAS analytical range. Rich oxygen flame will not pollute the environment and is not harmful to human bodies. It's a break-through in flame AAS analysis.

 

Flame atomization system with flame emission burner

A flame emission burner head can be installed to perform flame emission analysis to Alkali metals as K, Na etc. (WFX-110B/120B)

 

Accurate fully automated control system

  •    Automatic multi-lamp turret, automatic adjustment of lamp current and optimization of light beam position.
  •    Automatic wavelength scanning and peak picking
  •    Automatic spectral bandwidth changing  Automatic ignition

 

Perfect safety protection measures

Alarm and automatic protection to fuel gas leakage, abnormal flow, insufficient air pressure and abnormal flame extinction in flame system;

 

Advanced and reliable electronic design

  •    Adopting large-scale programmable logic array and Inter 12C bus technology
  •    European type sockets and AMP adapters with high reliability to ensure long term reliability of the whole electronic system.

 

Easy and practical analysis software

  •   Easy-to-use AAS analysis software is made under Windows operating system, realizing fast parameter setting and optimization.
  •   Automatic display of measured data, automatic calculation and analytical result automatic print out.

 

SPECIFICATIONS 

Main Specification

Wavelength range

190-900n

Wavelength accuracy

±O.25nm

Resolution

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

Baseline stability

<O.004A/30min

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. (only for WFX-110B/120B)

Light Source

Lamp turret

6-lamp turret (WFX-110B/120B), 4-lamp turret (WFX-130B) auto alignment, 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

400Hz square wave pulse

100Hz Narrow square wave pulse + 400Hz wide square wave pulse (WFX-110B/120B)

Optical System

Monochomator

Single beam, Czerny-Turner design grating monochromator

Grating

1800 1/mm

Focal length

277mm

Blazed wavelength

250nm

Spectral bandwidth

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

Flame Atomizer

Burner

10cm single slot all-titanium burner

Spray chamber

Corrosion resistant all-plastic spray chamber.

Nebulizer

High efficiency glass nebulizer with metal sleeve, sucking up rate: 6-7mL/min

Emission burner

Provided with WFX-11 OA/120A

Detection and Data Processing System

Detector

R928 Photomultiplier with high sensitivity and wide spectral range.

Software

Windows operating system

Analytical method

Working curve auto-fitting; standard addition method; automatic sensitivity correction; automatic calculation of concentration and content.

Repeat times

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.

Standard RS-232 serial port communication

Characteristic Concentration and Detection Limit

Normal Air-C2H2 flame

Cu: Characteristic concentrationS0.025mg/L, Detection limit<0.006mg/L;

Rich oxygen Air-C2H2 flame

Ba: Characteristic concentration ≤ 0.22mg/L

Al: Characteristic concentration ≤ 0.4mg/L (for WFX-110A)

Function Expansion

Hydride vapor generator can be connected for hydride analysis.

Dimensions and weight

1020 (L) x 490(W) x 540 (H) mm (main unit), unpacked 80kg

WFX-110B/120B/130B Flame Atomic Absorption Spectrophotometer

 

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