Atomic Absorption Spectrophotometer AAS-008

Atomic Absorption Spectrophotometer Model AAS-008 features automatic changeover between flame and graphite furnace operation, automatic optimization of position parameters and automatic ignition provides high efficiency and throughput. It equipped with innovated rich oxygen air-acetylene flame analysis technique with a baseline stability of 0.004A/30min. It is widely used for simultaneous and automatic determinations for more than one element and low concentrations of metals in samples of water.

Features:

Innovated rich oxygen air-acetylene flame analysis technique (3)
Automatic multi-lamp turret, automatic adjustment of lamp current and optimization of light beam position (3)
Automatic wavelength scanning and peak picking (5)
Automatic spectral bandwidth changing (5)
Alarm and automatic protection to fuel gas leakage, abnormal flow, insufficient air pressure and abnormal flame extinction in flame system (4)
Adopting large-scale programmable logic array and Inter I2C bus technology (4)
European type sockets and AMP adapters with high reliability to ensure long term reliability of the whole electronic system (4)
Easy-to-use AAS analysis software is made under Windows operating system, realizing fast parameter setting and optimization (4)
Integrated flame/graphite furnace atomization system, changeable with flame emission burner (2)
Automatically controlled changeover of the integrated flame and graphite furnace atomizer featuring easy operation and time saving eliminates human labor (2)
Adopting FUZZY-PID and dual curve mode light-controlled temperature control technique, temperature auto-correction technique, ensures fast heating, good temperature reproducibility and high analytical sensitivity. The temperature control accuracy is less than 1% (2)
Graphite furnace with pneumatic control and pressure lock ensures constant pressure and reliable contact (2)
Alarm and protection function to insufficient carrier gas and protective gas pressure, insufficient cooling wate supply and over-heating in graphite furnace system (2)
Automatic sample dilution, automatic curve fitting, automatic sensitivity correction (2)
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 temeperature is continuously adjustable between 2300-2950℃, with 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
Automatic changeover between flame and graphite furnace operation, automatic optimization of position parameters and automatic ignition

Specifications:

Function Expansion:

Hydride vapor generator can be connected for hydride analysis

Main Specification:

Wavelength Range:

190nm
900nm

Wavelength Accuracy:

Better than ±0.25nm

Resolution:

The D2 lamp background correction capability at 1A is better than 30 times.

Baseline stability:

0.004A/30min

Background correction:

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

Optical System:

Monochromator:

Single beam, Czerny-turner design grating Monochromator

Grating:

1800 l/mm

Focal length:

277mm

Blazed Wavelength:

250nm

Spectral Bandwidth:

0.1nm

0.2nm

0.4nm

1.2nm

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

Detection and Data Processing System:

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, standdard 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

Port:

Standard RS-232 serial port communication

Characteristics Concentration and Detection Limit:

Normal Air C₂H₂ Flame:

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

Oxygen Rich Air C₂H₂Flame:

Ba: Characteristic concentration ≤ 0.22mg/L

Al: Characteristic concentration ≤ 0.4mg/L

Light Source System:

Lamp turret:

4-lamp turret, Auto-alignment, fully automated scan and peak-picking.

Lamp power supply mode:

400Hz square wave pulse

Lamp current adjustment:

400Hz square wave pulse

Wide pulse current: 0~25mA

Narrow pulse current: 0~10mA

Graphite Furnace:

Temperature range:

Room temperature~3000ºC

Heating rate:

2000ºC/s

Dimension:

28mm(L)×8mm(OD)

Detector:

R928 Photomultiplier with high sensitivity and wide spectral range.

Characteristic mass:

Cd≤0.5 ×10-12g

Cu≤5 ×10-12g

Mo≤1×10-11g

Precision:

Cd≤3%

Cu≤3%

Mo≤4%

Dimensions:

Main unit:

1020 x 490 x 540mm

Graphite furnace:

420×420×460mm

Weight:

Main unit:

80kg, Unpacked

Graphite furnace:

50kg, Unpacked

Product Details:

Other Models:

Atomic Absorption Spectrophotometer AAS-001

Atomic Absorption Spectrophotometer AAS-003

Atomic Absorption Spectrophotometer AAS-004

Atomic Absorption Spectrophotometer AAS-007

Atomic Absorption Spectrophotometer AAS-009

Atomic Absorption Spectrophotometer AAS-010

Atomic Absorption Spectrophotometer AAS-008

Atomic Absorption Spectroscopy

Atomic Absorption

Graphite Furnace Analysis

Flame Atomic Absorption

Spectrophotometer

Flame Analysis

Atomic Absorption Spectrophotometer is used in the quantitative determination of solutions of transition metals and highly conjugated organic compounds.It is fully automated, multi-element instrument. Atomic Absorption Spectrophotometer is very reliable and simple to use. In spite of its compactness, the performance and capability is superior. It has the the highest level of sensitivity for trace-level analysis.

Name:
Mail ID:
Subject:
Comments: