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Atomic Absorption Spectrophotometer AAS-001

Atomic Absorption Spectrophotometer Model AAS -001 recombines high performance and affordability. It provides the superior baseline stability expected from high performance optical systems at an affordable price. It measures the concentrations of metals in the samples. .Atomic Absorption Spectrophotometers satisfy the demand of high precision & reliability for variety of applications including Analysis of metals down to sub-ppb levels etc,.
Features:
- Innovated rich oxygen air-acetylene flame analysis technique (3)
- 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℃ 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
- A flame emission burner head can be installed to perform flame emission analysis to Alkali metals as K, Na etc.
- 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)
- Automatic ignition (2)
- 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)
- Automatic sample dilution, automatic calculation and analytical result automatic print out (2)
Specifications:
Dimension:
1020 (L) × 492 (W) × 540 (H)mm
Weight:
80kg , Unpacked
Function Expansion:
Hydride vapor generator can be connected for hydride analysis ≤1%
Main Specification:
Wavelength Range:
190nm
900nm
900nm
Wavelength Accuracy:
±0.25nm
Resolution:
Two spectral lines of Mn at 279.5nm and 279.8nm can be energy separated with the spectral bandwidth of 0.2nm and valley- peak ratio less than 30%
Baseline stability:
≤0.004A/30min
S-H Background Correction:
1.8A better than 30 times
Hollow Cathode Lamps:
Lamp turret:
6-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:
100Hz narrow square wave pulse+400Hz wide square wave pulse.
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 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
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 ca
Repeat times:
Maximum 20 times of repeat measurement, automatic calculation of mean value, standard deviation and
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
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

