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ATOMIC ABSORPTION SPECTROPHOTOMETER

PN:0202040302

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Description:

1 Innovated rich oxygen air-acetylene flame analysis technique:

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 2300-2950 degree 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 break-through in flame AAS analysis

2 Flame atomization system with flame emission burner

2.1 A flame emission burner head can be installed to perform flame emission analysis to Alkali metals as K, Na etc.

3 Accurate fully automated control system

3.1 Automatic multi-lamp turret, automatic adjustment of lamp current and optimization of light beam position

3.2 Automatic wavelength scanning and peak picking

3.3 Automatic spectral bandwidth changing

3.4 Automatic ignition

4 Perfect safety protection measures

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

5 Advance and reliable electronic design

5.1 Adopting large-scale programmable logic array and Inter I2C bus technology

5.2 European type sockets and AMP adapters with high reliability to ensure long term reliability of the whole electronic system

6 Easy and practical analysis software

6.1 Easy-to-use AAS analysis software is made under Windows operating system, realizing fast parameter setting and optimization

6.2 Automatic sample dilution, automatic calculation and analytical result automatic print out

Details:

Main Specification

Wavelength range

190-900nm

Wavelength accuracy

±0.5nm

Resolution

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

0.004A/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

Light Source System

Lamp turret

6-lamp turret, 4-lamp turret; Auto-alignment, fully

automated scan and peak-picking.

Lamp current adjustment

400Hz square wave pulse;

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

Optical System

Monochomator

Single beam, Czerny-Turner design grating monochromator

Grating

1800 l/mm

Focal length

277mm

Blazed Wavelength

Spectral Bandwidth

250nm

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

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 Functions

Sequential measurement for multi-element determination in one sample

Condition reading

With model function

Result printing

Measurement data and final analytical report printout, editing with Excel

Characteristic Concentration and Detection Limit

Standard RS-232 serial port communication

Normal Air-C2H2 flame

Oxygen-rich Air-C2H2 flame

Cu: Characteristic concentration

Ba: Characteristic concentration

Al: Characteristic concentration

Function Expansion

Hydride vapor generator can be connected for hydride analysis

Dimensions and weight

Main unit

102×49×54cm, unpacked 80kg




No.1, Bei Yi Xiang, Damucang Hutong, Xidan, Beijing P.R.C.100032

Copyright © 2009 China Educational Instrument & Equipment Corp. All rights reserved.

Damucang Hutong, Xidan, Beijing P.R.C.100032

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