AAS - Atomic Absorption Spectrophotometer QualiAAS 3000F (Flame Furnace Type)
AAS - Atomic Absorption Spectrophotometer QualiAAS 3000F (Flame Furnace Type) is a precision instrument essential for metal analysis. It features advantages like excellent selectivity, a wide application range, high sensitivity, user-friendly operation, cost effectiveness, and superb accuracy. It's utilized across diverse fields such as geology, mining, metallurgy, agriculture, forestry, hydrology and environmental protection, the petrochemical industry, food and drug safety, and third-party testing.
- The flame system uses high-reliability flow control to ensure precise automated flow regulation.
- Equipped with a robust gas-liquid separation system, gas filter, and other accessories, it maintains optimal performance even in high humidity and limited gas supply conditions.
- Multiple safety interlocking devices and prompt information protection features provide automatic power outage and alarm protection during safety-related anomalies.
- Its modular structure with a modularized circuit design allows users to efficiently replace or repair parts themselves.
- The instrument supports functional extensions like the hydride method, flame emission method, and high-temperature flame method, along with various accessories such as an automatic flame sampler.
Performance index
- 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)
- 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 a high-performance function with automatic rotation, switching, and collimation.
- Simultaneous Illumination: Supports 1 to 8 lights at once, allowing for simultaneous preheating and significantly improving analysis efficiency.
- Memory Function: Each lamp element's settings can be freely edited without needing custom coding, ensuring ease of use.
Optical System
- Monochromator: Utilizes a typical Czerny-Turner design with a focal length of 277 mm.
- Diffraction Grating: Contains 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, automatically changing as needed.
- Detector: Equipped with an imported high-sensitivity, wide spectral bandwidth photomultiplier tube.
- Automation: Features include automatic peak picking and scanning, automatic spectral bandwidth and energy settings, automatic wavelength optimization, and wavelength changes without resetting.
Flame system
- Burner Head: 10 cm Ti burner head designed for air-acetylene flame, including an emission burner.
- Spray Chamber: Made from PPS material, offering corrosion resistance, high temperature resistance, flame retardancy, good hydrophobicity, and high strength.
- Adjustable Burner Head: Height and horizontal position adjustments with a rotatable angle.
- Automatic Ignition/Flame-Out: High precision mass flow control system for fully automated fuel gas flow control and adjustment.
- Flame Pedal Reading Function: Easy-to-read detection data.
Software working station
- One-Key Operation: Streamlines instrument optimization, supporting multi-task analysis.
- Repeat Measurements: Repeat measurements from 1 to 99 times with automatic calculation of average value, standard deviation, RSD, etc.
- Automation: Features automatic curve fitting, re-slope, concentration, and content calculation, with a standard addition method.
- Data Output: Prints test data and analysis reports, supporting multiple formats such as Word and Excel.
Safety protection
- Comprehensive Safety Measures: Includes both hardware and software dual alarm systems for top-notch safety performance.
- Flame System: Automatic gas cut-off, shutdown, and alarm in case of abnormal conditions, like air pressure issues, ignition failure, gas leakage, or abnormal flow rates.
- Independent Safety Devices: Features such as flame emergency shutdown protection switch and graphite furnace cut-off high current protection switch.
Other functional configurations
- Flame Automatic Sampler (Optional):
- Independent sampler for flame analysis without removing or adjusting the graphite furnace.
- Patented sample tray for quick removal/installation of standard solution and sample cup holders, simplifying preparation and cleaning.
- Holds 70 sample trays, each with a single cup volume of ≥ 20 mL, using universal consumable sample cups to reduce daily investment.
- Features automatic initialization, correction of injection position, and high-flow multi-stage cleaning.
- Optional Oxygen-Rich High-Temperature Flame:
- Avoids hazardous chemicals like N2O, enabling the analysis of high-temperature elements such as aluminum, barium, molybdenum, and vanadium.
- Optional Wide Slit Combustion Head:
- Along with an adjustable nebulizer, ensures stable and reliable analysis of complex samples.
- Optional Hydride Vapor Generator:
- Supports hydrogenation method analysis for additional elements, expanding performance capabilities.
- Optional Audit Trailing Software:
- Includes electronic signature function, user permission management, and analysis process traceability, fully compliant with audit trailing standards.
