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AAS-320N Double Beam Atomic Absorption Spectrophotometer

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Shuoboda Instruments (Hunan) Co., Ltd.

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AAS-320N Double Beam Atomic Absorption Spectrophotometer

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Brand Name :	SHUOBODA
Model Number :	AAS-320N
Certification :	ISO/CE
Price :	Negotiable
Payment Terms :	L/C,T/T
Supply Ability :	500 sets/month
Delivery Time :	5~8 working days

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Product Details
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AAS-320N Double Beam Atomic Absorption Spectrophotometer

Product Overview

The AAS-320N Atomic Absorption Spectrophotometer is a high-performance analytical instrument designed for precise elemental analysis in laboratory environments.

Main Features

High-energy optical path: Double-beam total reflection optical system with full-band achromatic capability and optimized light spot transformation for increased luminous flux
Reliable baseline stability: Dual-beam system compensates for light source drift, wavelength drift from temperature changes, and electronic circuit drift
High measurement precision: Precise voltage stabilizing and flow stabilizing devices ensure stable flame operation with low noise
Built-in computer data processing: Integrated micro-computerized digital circuit with LCD display for comprehensive data analysis
Long-life corrosion-resistant atomization system: Combustion head made of corrosion-resistant iron alloy steel for stable measurement sensitivity
Multiple signal modes: Absorbance, concentration, emission, and emission concentration measurements
Versatile analysis methods: Supports flame absorption, flame emission, graphite furnace atomic absorption, and hydride generation
Safe air circuit system: Equipped with comprehensive safety protection devices
Complete accessories: Ready for immediate use upon purchase with optional data collection software

Technical Specifications

Optical system: Double beam total reflection, C-T monochromator
Grating: 1800 lines/mm
Blazing wavelength: 250nm
Wavelength range: 190nm - 900nm
Wavelength indication error: ±0.5nm
Wavelength repeatability: ≤±0.3nm (unidirectional)
Spectral bandwidth: 0.2nm, 0.4nm, 0.7nm, 1.4nm, 2.4nm, 5.0nm
Wavelength scanning speed: 1.2nm/min; 300nm/min
Resolution: <40%
Baseline stability: ±0.005 A/30min
Characteristic concentration: ≤ 0.04μ g/ml/1% (Cu element)
Detection limit: ≤ 0.007μ g/ml (Cu element)
Background correction capability: Greater than 30 times
Burner: 100mm single-slit titanium alloy
Sprayer: High-efficiency glass atomizer
Spray chamber: Explosion-proof pre-mixed
Communication ports: RS232 and USB
Power supply: 220V±22V, 50Hz±1Hz, 200W
Host dimensions: 1000mm×530mm×425mm
Net weight: 130kg

Optional Accessories

Graphite furnace system
Hydride generator
Hollow cathode lamp
Graphite tube

Model Configuration Details

Component	Specifications
Light source system	Hollow cathode lamp power supply: adjustable current; deuterium lamp power supply: fixed current
Optical system	Double-beam total reflection system, C-T monochromator, blaze wavelength 250nm
Flame atomic system	100mm unimodal titanium alloy combustion head, gas circuit with pressure indication, high-precision stable pressure flow adjustment, safety protection features
Signal system	Built-in microcomputer and LCD display with multiple signal modes and comprehensive data analysis capabilities
Interface	RS232C interface and USB interface
Host power supply	AC220V±22V, 50H±1Hz

Graphite Furnace System

The graphite furnace system is a specialized accessory for quantitative analysis of trace elements using graphite furnace atomic absorption method, designed for integration with the AAS-320N atomic absorption spectrophotometer.

Graphite Furnace Features

Photoelectric rapid temperature rise and temperature control function
External data station connectivity for temperature and absorption curve display
LCD back optical character graphic display with menu-style operation
Single wiring pipe connection for easy installation and debugging
Quick switching between flame method and graphite furnace method
Pneumatic closed structure for constant pressure and reliable contact
Comprehensive safety protection including overheating, overcurrent, overpower protection and argon pressure monitoring

Graphite Furnace Technical Specifications

Temperature range: 20℃~3000℃
Light control temperature range: 1500℃~3000℃
Heating rate: 3000℃/S
Characteristic quantities: Cu≤ 1×10⁻¹⁰g, Cd≤ 1×10⁻¹²g
Measurement repeatability: Cd≤ 4%
Detection limit: Cd≤ 1.0×10⁻¹²g
Power supply: AC220V±22V 50Hz±1Hz
Rated power: 6000W
Analytical precision: Better than national standard

Graphite furnace system technical diagram

Graphite furnace system application example

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