AA320N Series Double Beam Atomic Absorption Spectrophotometer

The AA320N series is a high-performance double beam atomic absorption spectrophotometer designed for precise and reliable elemental analysis. Featuring multi-mode analysis capabilities (flame, graphite furnace, hydride generation) and advanced optical design, it delivers exceptional stability and sensitivity for demanding laboratory applications.
 
Key Features
 
Advanced Optical System
 
- Double-beam design automatically compensates for light source and wavelength drift
- Total reflection system eliminates chromatic aberration across full wavelength range
- High energy optical path enhances light flux for improved sensitivity
- Wavelength range: 190–900nm
- Wavelength accuracy: ≤±0.5nm
- Wavelength repeatability: ≤0.3nm (single direction)
 
Multi-Mode Analysis Capabilities
 
- Flame absorption and emission modes
- Graphite furnace atomic absorption (with optional GA3202 system)
- Hydride generation method for trace element analysis
- 6 selectable spectrum bandwidths: 0.2, 0.4, 0.7, 1.4, 2.4, 5.0nm
 
High Precision Measurement
 
- Characteristic concentration of copper: ≤0.04μg/ml/1%
- Detection limit of copper: ≤0.008μg/ml
- Background calibration ability: >30 times (deuterium lamp correction)
- Baseline stability: ±0.004Abs/30min
- Resolution: <40%
 
Intelligent Data Processing
 
- Built-in computer with LCD display
- Functions include: integral holding, peak height and area measurement, auto zero adjustment
- Multi-linear and non-linear curve fitting
- Working curves displayed on screen
- Report printing capability
- RS232 interface for external PC connection
 
Reliable & Safe Gas Path System
 
- Precision pressure stabilizing and current stabilizing devices for stable flame
- Special quick gas conversion and safety protection for air-acetylene flame
- Low noise operation
 
Durable Atomization System
 
- Burner made of titanium alloy – corrosion-resistant, fast thermal equilibrium
- No water-cooling required
- Long service life
 
Quick Analysis
 
- Cathode lamp requires no long pre-heating
- Immediate sample analysis
- Ideal for multi-element and fast analysis applications
 
Standard Accessories
 
- Oil-free air compressor
- Glass atomizer
- Copper hollow cathode lamp
- Atomizer unit
- Burner unit (10cm titanium burner)
- Dust cover
- Water-separating gas filter
 
Optional Accessories
 
- GA3202 graphite furnace system
- Hydride generator
- Hollow cathode lamps (various elements)
- Graphite tubes
- Data processing software
- Recirculating cooling water system
 
Typical Applications
 
- Metal element analysis in metallurgy and mining
- Environmental monitoring (water, soil, air)
- Pharmaceutical and biomedical research
- Food and agricultural product testing
- Petrochemical and industrial quality control
- Geological and geological sample analysis