AAS - Atomic Absorption Spectrophotometer QualiAAS™ 3000FG (Flame + Graphite Furnaces Type)

AAS – Atomic Absorption Spectrophotometer QualiAAS 3000FG (Flame + Graphite Furnace Type)

The QualiAAS 3000FG integrated atomic absorption spectrophotometer is a high-precision instrument designed for advanced metal analysis. It delivers strong selectivity, wide analytical capability, high sensitivity, and reliable accuracy, while maintaining simple operation and cost-efficient performance.
This system is widely utilized across geology, mining, metallurgy, agriculture, forestry, soil and fertilizer testing, hydrology, environmental monitoring, petrochemical processing, food and pharmaceutical safety, and third-party laboratory analysis.
Built for dependable elemental detection, the QualiAAS 3000FG ensures consistent results for diverse analytical requirements in both routine and complex testing environments.

The QualiAAS 3000FG is engineered with intelligent automation and robust safety mechanisms to ensure stable and efficient elemental analysis.

It provides fully automatic switching between flame and graphite furnace modes, reducing analysis time and removing the need for manual operation. The flame system is designed for high reliability, featuring automatic ignition and precise gas flow control to ensure stable and repeatable performance.

For enhanced operational safety, the graphite furnace section includes multi-layer temperature control protection systems. Dual air circuit breakers help prevent current overload and abnormal temperature rise, ensuring secure operation during high-temperature analysis.

A specialized gas–liquid separation system maintains consistent performance even in high humidity environments or areas with limited gas supply, improving analytical stability under varying conditions.

Multiple safety interlocks and alarm functions are integrated into the system, enabling automatic shutdown and immediate response to operational anomalies for improved instrument protection.

The modular construction and circuit design allow convenient maintenance, part replacement, and servicing, reducing downtime and simplifying upkeep.

In addition, the system supports multiple analytical extensions, including hydride generation methods, flame emission techniques, and high-temperature flame applications. It is also compatible with accessories such as automatic graphite furnace samplers and flame automatic samplers, expanding its application flexibility for diverse laboratory requirements.

Performance index

Major Technical Indicators

• Wavelength Range: 170 nm – 900 nm

• Wavelength Error: ≤ ±0.10 nm

• Wavelength Repeatability: ≤ 0.05 nm

• Baseline Stability:
  Drift ≤ 0.002 Abs, noise ≤ 0.001 Abs (steady 30 min);
  Drift ≤ 0.002 Abs, noise ≤ 0.001 Abs (dynamic 15 min)

• Resolution:
  Spectral bandwidth deviation ≤ 0.02 nm;
  Manganese double-line valley-to-peak energy ratio ≤ 25%

• Flame Method (Copper):
  Detection limit (LOD) ≤ 0.002 μg/mL;
  Characteristic concentration ≤ 0.025 μg/mL/1%;
  Precision ≤ 0.3%

• Graphite Furnace Method (Cadmium):
  Detection limit (LOD) ≤ 0.4 pg;
  Characteristic content ≤ 0.5 pg;
  Precision ≤ 2.0%

• Background Correction Capability:
  Deuterium lamp correction: 1.0 Abs with background suppression > 90×;
  Self-absorption correction: 2.0 Abs with background suppression > 90×

Light Source System

• 8-lamp position design with automatic rotation, switching, and collimation functions

• Simultaneous support for 1–6 lamps, enabling parallel preheating to improve analytical efficiency

• Editable memory settings for each lamp element without custom coding

Optical System

• Czerny-Turner monochromator design with 277 mm focal length

• Diffraction grating: 1800 grooves/mm, blaze wavelength 250 nm

• Spectral bandwidth options: 0.1 nm, 0.2 nm, 0.4 nm, 0.8 nm, 1.6 nm (automatic adjustment)

• High-sensitivity photomultiplier tube detector with wide spectral response

• Automatic peak selection and scanning, bandwidth and energy adjustment, wavelength optimization, and wavelength switching without reset

Flame System

• 10 cm titanium burner head for air-acetylene flame, includes emission burner

• PPS spray chamber with corrosion resistance, heat resistance, flame retardancy, hydrophobicity, and high strength

• Automatic burner head adjustment for height, horizontal position, and rotation angle

• Fully automated ignition and flame-out with high-precision mass flow control

• Flame pedal reading system for convenient data acquisition

Graphite Furnace System

• Longitudinal heating system reaching up to 3000℃ with heating rates > 3000℃/s

• Dual temperature control modes (optical and constant voltage) with slope and step programming; precision error ≤ 1%

• Fully automatic GF positioning (height and horizontal alignment optimization)

• Independent control of inner gas, external gas, and make-up gas with circulation water and gas flow monitoring

• Compatible with straight, platform, and concave graphite tubes

Software Workstation

• One-key operation for simplified optimization and multi-task analysis

• Repeat measurement range: 1–99 cycles with automatic calculation of mean, standard deviation, and RSD

• Automatic curve fitting, recalibration, concentration/content calculation, and standard addition method support

• Data export and reporting in Word and Excel formats

Safety Protection

• Dual hardware and software alarm system for comprehensive protection

• Flame system safety: automatic gas shutoff, shutdown, and alarms for pressure issues, ignition failure, leakage, and abnormal flow

• Graphite furnace safety: automatic pause, cooling, and alarms for system failures, water/gas issues, and temperature anomalies

• Independent emergency switches for flame shutdown and graphite furnace high-current protection

Optional Functional Configurations

Graphite Furnace Automatic Sampler

• Independent sampler enabling flame-to-GF switching without adjustment

• 150+5 or standard 60+6 sample positions with universal sample cups

• Dual-pump system (100 μL injection + 1 mL cleaning pump) with ≤ 0.5% repeatability error

• Liquid level tracking, self-calibration probe positioning, automatic dilution/concentration, and high-flow cleaning

Flame Automatic Sampler

• Independent flame sampler with quick switching capability

• 70-position tray, each cup ≥ 20 mL, compatible with universal consumables

• Automatic positioning correction, initialization, and multi-stage high-flow cleaning

• Quick-detach sample tray system for easier preparation and maintenance

Additional Optional Modules

• Oxygen-rich high-temperature flame system for high-temperature element analysis without hazardous gases

• Wide slit combustion head and adjustable nebulizer for stable complex sample analysis

• Hydride vapor generator for extended elemental detection capability

• Audit trail software with electronic signatures, user permission control, and full process traceability for compliance requirements

AAS - Atomic Absorption Spectrophotometer QualiAAS™ 3000FG (Flame + Graphite Furnaces Type) Dimensions and Weight

• Main Unit: 1020mm×530mm×500mm(L×W×H), 85kg
• GF Power Supply: 350mm×530mm×430mm(L×W×H), 32kg
• GF automatic sampler(Optional): 350mm×250mm×300mm(L×W×H), 15kg
• Flame automatic sampler(Optional): 440mm×290mm×440mm(L×W×H), 14kg