Analytical Instruments, buy BNAAS-A3081G High Quality and Cheap Price AAS Atomic Absorption Spectrophotometer on China Suppliers Mobile

Product Details

BNAAS-A3081G High Quality AAS Atomic Absorption Spectrophotometer

Instruction

BNAAS-A3081G has broken the bottlenecks of the domestic high-end products in deuterium lamp background subtraction technique and supports the reliable assurance for the elements analysis. It adopts the expert database information system workstation software which can provide fast and accurate detection information and methods to reduce the working difficulty of users.

The high automation function greatly meets the requirements of users.

1. The structure designation of integrated flflame atomizer and graphite furnace atomizer realizes the auto-switching between them.

2. The lamps can auto switch the turret, auto adjust the power and optimize beam position.

3. It can preset and optimize the working condition of the hollow cathode lamp so that convenient to detect multi elements.

4. Automatic setting for flflow, auto-ignition and flflameout automatic protection.

5. Automatic adjustment for negative high-voltage and lamp current.

6. Automatic setting for the best flflame height and atomizer position, while select the best analyzing conditions and make sure the analysis results reliable.

7. Automatic switching of spectrum bandwidth, 0.1nm, 0.2nm, 0.4nm, 1.0nm, 2.0nm for option.

8. Automatic control for wavelength scanning and peak searching.

9.The automatic injector is easy to operate with high accuracy, automatic control, remote monitoring and can operate without manual monitoring, thereby improving the working efficiency and reducing the operation error.

Advanced circuit design.

Adopting large-scale programmable logic arrays

12C bus technique of chips

Brand outlets and electrical connectors with high reliability and quality.

Graphite furnace of high sensitivity controlled by digital power.

New design of flflame atomizer

The graphite tube has long using time.

The workstation adopts expert database information system which can support fast and accurate detecting

information and methods. The operation of the workstation is simple.

The reliable safety protection system protects the operators safety all-round.

Reliable position identify.

Real-time monitoring for flflame

Acetylene leak protection system

Real-time monitoring for abnormal pressure

Emergency brake button for accidents

Parameters

Optical system
Wavelength range	190nm-900nm
Monochromator	C-T type of eliminating aberration monochromator
Dispersion elements	Plane diffraction grating,1800 lines/mm,indented area(40×40)mm²
Spectral bandwidth	0.1nm, 0.2nm, 0.4nm, 1.0nm, 2.0nm for option
Wavelength precision	The whole waveband is better than ±0.15nm
Wavelength repeatability	The whole waveband is <0.10nm
Resolution	Copper lamp 324.7nm0.2nm and bandwidth deviation within ±0.015nm
Baseline drift	0.004A/30min
Element lamp holders	Four lamps can auto-switch without manual-adjustment
Detectors	High sensitivity, wide spectral range photomultiplier tube
Flame Atomization System (FAS)
Concentration(Cu)	0.02ug/ml/1%
LOQ (Cu)	0.006ug/ml
Burner	100mm, single-slit titanium metal burner, which is air-cooled pre-mixed type
Precision	RSD≤0.8%
Sprayer	High efficiency glass sprayer
Atomization chamber	Corrosion-resistant plastic atomization chamber
Position adjustment	The auto-setting of flame burner height and position
Safety measures	Various of automatic safety protection function
Graphite Atomization System (GAS)
Characteristic statistic(Cd)	0.5×10^-12g
LOQ (Cd)	1.0×10^-12g
Precision	RSD≤1.5%
Heating range	Room temperature~3000℃
Heating operation methods	Power control method for dry ashing stage, max power light control for atomization stage
Temperature control precision	≤1%
Heating rate	>2000℃/sec.
Heating condition setting	Up to 11 programs, ramp heating , stage heating and max power heating
Safety protection	Functions of argon undervoltage instruction, waterflow discharge cooling, overheating or overflow alarm and auto-protection.
Background Subtraction
Back subtraction of deuterium lamp	1Ahour≥50times
Data processing
Measuring method	Air-acetylene flame method and atomic absorption method for hydride generator
Concentration calculate method	Standard curve method(1~3 times curve), standard mixing method
Repeat measuring times	1~20 times,repeatedly measure and calculate the average data and automatically get the standard deviation and relative deviation.
Result printed	Parameter printed, data results printed and exported to Excel, graphics printed and summary report.

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