AAS - Atomic Absorption Spectrophotometer QualiAAS™ 3000FGPro (Flame + Graphite Furnace Type - Pro Version)
AAS - Atomic Absorption Spectrophotometer QualiAAS™ 3000FGPro (Flame + Graphite Furnace Type - Pro Version) integrated atomic absorption spectrophotometer is a crucial precision instrument for metal analysis. It provides advantages such as excellent selectivity, a broad application range, high sensitivity, easy and fast operation, cost-effectiveness, and high accuracy. It is widely used in various fields, including geology, mining, metallurgy, agriculture, forestry, soil and fertilizer management, hydrology and environmental protection, the petrochemical industry, food and drug safety, and third-party testing.
- Fully Automatic Switching: The flame and graphite furnace analysis device offers seamless, time-saving automatic switching, eliminating the need for manual operations.
- High-Reliability Flame System: Features automatic flow control and ignition for consistent performance.
- Graphite Furnace Safety: Multiple temperature control protection systems, including double air circuit breakers, prevent current overload and abnormal temperature rise.
- Gas-Liquid Separation System: Ensures optimal instrument performance in high humidity and limited gas supply conditions.
- Safety Interlocks: Multiple safety interlocking devices and alarm systems for automatic power outage and protection against safety anomalies.
- Modular Design: The instrument’s modular structure and circuit design facilitate easy replacement or repair by users.
- Functional Extensions: Supports hydride method, flame emission method, high-temperature flame method, and various accessories like graphite furnace automatic sampler and flame automatic sampler.
Performance index
Major technical indicators
- Wavelength Range: 170 nm to 900 nm
- Wavelength Error: No more than ±0.10 nm
- Wavelength Repeatability: No more than 0.05 nm
- Baseline Stability: Drift no more than 0.002 Abs, noise no more than 0.001 Abs (steady 30 min); drift no more than 0.002 Abs, noise no more than 0.001 Abs (dynamic 15 min)
- Resolution: Spectral bandwidth deviation no more than 0.02 nm, Manganese double line valley to peak energy ratio no more than 25%
- Flame Method for Copper: No more than 0.002 μg/mL (LOD), no more than 0.025 μg/mL/1% (characteristic concentration), no more than 0.3% (precision)
- Graphite Furnace Method for Cadmium: No more than 0.4 pg (LOD), no more than 0.5 pg (characteristic content), no more than 2.0% (precision)
- Background Correction Ability: Deuterium lamp calibration 1.0 Abs, background more than 90 times; self-absorption method correction 2.0 Abs, background more than 90 times
Light source system
- 8 Lamp Position Design: Features high-performance lamp functions, including automatic rotation, switching, and collimation.
- Simultaneous Illumination: Supports 1 to 8 lights at the same time, allowing for multiple lights to preheat simultaneously, enhancing analysis efficiency.
- Memory Function: Each lamp element's memory settings can be freely edited without the need for custom coding.
Optical System
- Monochromator: Features a typical Czerny-Turner design with a focal length of 277 mm.
- Diffraction Grating: Includes 1800 grooves/mm with a blaze wavelength of 250 nm.
- Spectral Bandwidth: Adjustable in increments of 0.1 nm, 0.2 nm, 0.4 nm, 0.8 nm, and 1.6 nm, all changing automatically.
- Photomultiplier Tube Detector: Imported with high sensitivity and wide spectral bandwidth.
- Automation: Equipped with automatic peak picking and scanning, automatic spectral bandwidth and energy settings, automatic wavelength optimization, and wavelength changes without the need for resetting.
Flame system
- Burner Head: 10 cm Ti burner head designed for air-acetylene flame, includes an emission burner.
- Spray Chamber: Made of PPS material, offering corrosion resistance, high temperature resistance, flame retardancy, good hydrophobicity, and high strength.
- Adjustable Burner Head: Automatically adjusts height and horizontal position, with a rotatable angle.
- Automatic Ignition/Flame-Out: Features a high precision mass flow control system for fully automated fuel gas flow control and adjustment.
- Flame Pedal Reading Function: Provides easy-to-read detection data.
Graphite Furnace System
- Longitudinal Heating System: Reaches temperatures up to 3000℃ with a heating rate exceeding 3000℃/s.
- Temperature Control: Offers two selectable modes, optical and constant voltage, with both slope and stepped temperature programming available. Precision error is no more than 1%.
- Automatic Adjustment: Fully automatic height and horizontal position setting and optimization for the graphite furnace.
- Gas Control: Separate control for inner gas, external gas, and make-up gas. Equipped with a monitoring system for circulating water and gas flows.
- Graphite Tubes: Compatible with various types of graphite tubes, including straight, platform, and concave.
- Visual Observation System: Built-in graphite furnace visual observation system with self-switching protection function.
Software working station
- One-Key Operation: Simplifies instrument optimization, supporting multi-task analysis for enhanced efficiency.
- Repeat Measurements: Allows for 1 to 99 repeat measurements, with automatic calculation of average value, standard deviation, RSD, and more.
- Automation: Includes automatic curve fitting, re-slope, concentration and content calculation, complete with a standard addition method function.
- Data Output: Prints test data and analysis reports, supporting multiple formats such as Word and Excel for easy documentation.
Safety protection
- Comprehensive Safety Package: Incorporates both hardware and software dual alarm systems to ensure full safety performance.
- Flame System: Automatic gas cut-off, shutdown, and alarm activation in case of abnormal status, air pressure issues, ignition failure, gas leakage, and abnormal flow rates.
- Graphite Furnace System: Automatic pause, cooling, and alarm activation during abnormal furnace states, water and gas circuit control failures, graphite tube problems, and temperature control failures.
- Independent Safety Devices: Includes a flame emergency shutdown protection switch and a graphite furnace cut-off high current protection switch.
This instrument is designed with safety as a priority, ensuring reliable and secure operations.
Other functional configurations
- Graphite Furnace Automatic Sampler:
- Independent sampler allowing flame changes without adjustment.
- Sample tray supports 150+5 optional slots (standard with 60+6 slots) with universal consumable sample cups, reducing daily investment.
- Imported dual pump sampling system (100 μL injection pump and 1 mL cleaning pump) with an injection repeatability error of ≤ 0.5%.
- Features self-calibration probe starting position, liquid level depth tracking, single-point curve matching, automatic dilution/concentration, and high flow cleaning and residue removal functions.
- Flame Automatic Sampler:
- Independent sampler for flame analysis, allowing graphite furnace changes without adjustment.
- Patented sample tray for quick removal/installation of standard solutions and sample cup holders, simplifying preparation and cleaning.
- 70 sample trays with a single cup volume of ≥ 20 mL, using universal consumable sample cups to reduce daily investment.
- Includes automatic initialization, correction of injection position, and high flow multi-stage cleaning.
- Oxygen-Rich High-Temperature Flame (Optional):
- Avoids hazardous chemicals like N2O, enabling the determination of high-temperature elements such as aluminum, barium, molybdenum, and vanadium.
- Wide Slit Combustion Head and Adjustable Nebulizer (Optional):
- Ensures stable and reliable analysis of complex samples.
- Hydride Vapor Generator (Optional):
- Supports hydrogenation method analysis for performance expansion.
- Audit Trailing Software (Optional):
- Includes electronic signature function, user permission management, analysis process traceability, and full compliance with audit trailing standards.
