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Atomic Absorption Spectrophotometer LAAS-320
    1. High sensitivity, simple and safe operation, low analytical cost.
    2. Fully Automatic Microcomputer Controlled Operation.
    • Automatic calculation of mean, standard deviation and relative standard deviation.
    • Sensitivity correction available.
    1. Fully Sealed Optical System, keeping the optical elements clean and dry and ensuring long-term high-energy through put.
    2. Optimum vibration-absorbing mechanism, ensuring good mechanical stability of the optical system.
    3. Perfect Safety Protection Measures, alarm and automatic safety protection.

Technical Specification

Atomic Absorption Spectrophotometer LAAS-320

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 0.005A/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.
Light Source System Lamp Number 2 lamps (one preheating)
Lamp Current Adjustment Micro-computer control, adjustment range: 0~20mA
Lamp Power Supply Mode Powered by square pulses
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
Detection and Data
Processing System
Detector Photomultiplier with high sensitivity and wide spectral range.
Electronic andMicrocomputer System Light energy and negative high-voltage auto-balance
Display Mode LED display of energy and measurement values, concentration direct reading
Read Mode Transient, integral, peak height, peak area.
Integral or sampling time is in the range of 0.1-19.9s
Scale Expansion 0.1~99
Data Processing Mode Automatic calculation of mean, standard deviation and relative standard deviation. Repeating number is in the range of 1~99
Measurement Mode 3~7 standards can be determined for curve fitting. Sensitivity correction available
Result Printing Measurement data, working curve, signal profile and analytical conditions can all be printed out
Instrument Self-Check Check current status of each function key
Flame Analysis Burner 10cm single slot all titanium burner
Spray Chamber All plastic spray chamber
Nebulizer High efficiency glass nebulizer with metal sleeve
Position Adjustment Adjusting mechanism for vertical, horizontal positions and the rotation angle of the burner
Gas line Protection Fuel gas leak alarm
Characteristic Air-C2 H2 Flame Cu: Characteristic concentration ≤0.025mg/L, Detection limit
Concentration and Detection Limit ≤0.006mg/L
Function Expansion Flameless analysis with WF-1C Graphite Furnace System Hydride Vapor generator can be connected for hydride analysis
Dimensions 1020 x 490 x 540mm
Weight 80kg, Unpacked
Catalog No. 05260104