HGF-U series atomic fluorescence spectrophotometer Introduction: The HGF series atomic fluorescence photometer, launched by our company, is a high-performance atomic fluorescence photometer in the AFS4.0 era. This product integrates over 40 brand-new core technologies and adopts a highly reliable, intelligent, automated, and maintenance-free human-machine interaction design. It addresses the pain points of traditional atomic fluorescence instruments and exhibits excellent performance in sample testing in fields such as food, environment, disease control, and geology. Features: 1. A platform-based series of products that continues over 40 core technologies from the HGF-V/S/T series 2. High-precision sequential injection sampling system 3. High-precision digital pressure real-time monitoring during steam generation reaction process 4. Intelligent heating and temperature control technology for sample storage rings to deeply improve memory effect 5. Digital constant energy drift calibration technology for mercury lamp 6. Hydrogen combustion-supporting technology that significantly reduces the consumption of potassium borohydride reagent 7. Fully automatic flow path switching technology for the fully automatic current-carrying and reductant online proportional dilution and cleaning process 8. High-precision reagent management system based on non-contact liquid level detection and sensing technology 9. Highly reliable, highly intelligent, highly automated, and maintenance-free human-machine interaction design Technical Specifications: 1. Detection limit (DL) As, Sb, Bi, Se, Te, Pb, Sn: <0.01μg/L Hg (hot atom method): <0.01μg/L; Hg (cold atom method): <0.001μg/L Cd：<0.001μg/L Ge：<0.05μg/L Zn：<1.0μg/L Au：<3.0μg/L 2. Measurement precision (RSD) Typical value: ≤0.8% (reaching ≤0.6% under optimized conditions) 3. Stability indicators Baseline drift: ≤1.0% (over 30 minutes) Noise: ≤1.0% Channel interference: ≤±1.0% Liaoning Government Procurement Network 4. Linear range Greater than three orders of magnitude (correlation coefficient r≥0.999) 5. Light source system Light source type: High-performance hollow cathode lamp (HAF series) Light position design: Multi-light position adjustment-free system (automatic precise aiming) Mercury lamp calibration: Digital constant energy drift calibration technology (suppressing the intensity drift of mercury lamp light source) Photomultiplier tube: end-window type, wavelength response 160~320nm (covering atomic fluorescence characteristic spectral lines) 3. Sample injection system (core innovation) Sample injection method: High-precision sequential injection with dual syringe pumps (no pump tubing consumption, maintenance-free) Key technologies: Intelligent heating and temperature control for sample storage rings (significantly improving memory effect, especially for Hg residue) Digital real-time pressure monitoring for steam generation reaction Fully automatic current-carrying / reductant online proportional dilution Non-contact liquid level detection + high-precision reagent management system Sample processing: Supports automatic cleaning and flow path switching, accommodating complex matrix samples 4. Gas circuit system Three-gas independent modularization: carrier gas, shielding gas, and auxiliary gas (hydrogen for combustion support) Control method: Digital mass flowmeter (high-precision control at the milliliter level) Hydrogen combustion-supporting technology: significantly reducing the consumption of potassium borohydride reagent and enhancing flame stability Gas requirements: high-purity argon (carrier gas/shielding gas), analytical-grade potassium borohydride/sodium borohydride + acid system 5. Atomization system Atomizer: dual-zone independently temperature-controlled shielded quartz furnace atomizer Temperature control range: **50~450℃** continuously adjustable (adaptable to the atomization requirements of different elements) Ignition technology: million-time maintenance-free ignition (no need to replace ignition components) Gas-liquid separation: maintenance-free water-cooled self-overflowing three-stage gas-liquid separation (efficient dehumidification, foam suppression, automatic waste discharge) 6. Flow path system Three-dimensional integrated flow path: addressing issues of messy piping, mercury residue, and memory effect Fully automatic flow path switching: adaptable to rapid switching among multiple methods 7. Sample processing capability Support sample tray: 69 positions (25mL)/134 positions (15mL)/183 positions (10mL) optional (coordinate-based automatic sampler) Single measurement time: <45 seconds (typical element) 8. Environmental and electrical parameters Operating temperature: 15~35℃ Relative humidity: ≤85% (non-condensing) Power supply: ~220V, 50Hz Power: approximately 300W Overall dimensions: approximately 890 (L)×570 (W)×550 (H) mm Weight: approximately 70kg
HGF-U series atomic fluorescence spectrophotometer Introduction: The HGF series atomic fluorescence photometer, launched by our company, is a high-performance atomic fluorescence photometer in the AFS4.0 era. This product integrates over 40 brand-new core technologies and adopts a highly reliable, intelligent, automated, and maintenance-free human-machine interaction design. It addresses the pain points of traditional atomic fluorescence instruments and exhibits excellent performance in sample testing in fields such as food, environment, disease control, and geology.
