About Atomic Absorption Spectrophotometer LI-5310
Atomic Absorption Spectrophotometer LI-5310 features a robust optical system with a wavelength range of 190 to 900 nm and an accuracy of +_ 0.2 nm. It is equipped with a standard 4-lamp turret (expandable to 6 or 8) that allows one lamp to measure while others warm up, significantly reducing downtime. For safety, the unit includes automatic gas leak detection, flashback prevention, and a titanium burner head that resists corrosion from acids and alkalis. The system is typically PC-operated, supporting complex data processing methods like standard additions and standard curves for precise concentration results
Key Features
- Optimized Optical System: Features a single-beam Czerny-Turner monochromator with an aberration-corrected design for high precision across a 190 - 900 nm range.
- Multi-Lamp Turret: Equipped with a standard 4-lamp turret (with an option for more), allowing multiple elements to be ready for testing with minimal warm-up time.
- Enhanced Safety: Built-in automatic ignition and safety interlocks for gas leaks, flame-out protection, and pressure monitoring to ensure secure operation.
- Superior Detection: Utilizes a high-efficiency nebulizer and a corrosion-resistant titanium burner to deliver stable, accurate trace element analysis at ppm levels
Cutting-Edge Optical PerformanceThe LI-5310 features single-beam Czerny-Turner optics covering a wavelength range of 190-900 nm and an auto-switching bandwidth for versatile analysis. Its D2 lamp correction technology and titanium burner further enhance detection accuracy and operational reliability, essential for demanding analytical tasks.
Seamless Automation and ControlWith automated sample aspiration, ignition, gas control, burner height adjustment, and a 4-lamp turret, the spectrophotometer streamlines laboratory workflow. PC control and comprehensive data reporting bolster ease of operation and traceability, ensuring efficient and reproducible results for users.
Adaptable Application SpectrumIdeal for environmental monitoring, food and pharmaceutical testing, mining exploration, soil nutrient analysis, and more, the LI-5310 delivers precise trace-metal analysis. Its robust construction and high-speed background correction methods make it suitable for clinics, forensic labs, petrochemical inspections, and metallurgical research.
FAQ's of Atomic Absorption Spectrophotometer LI-5310:
Q: How does the LI-5310 automate the sample analysis process?
A: The LI-5310 automates key steps including sample aspiration, flame ignition, gas control, and burner height adjustment. Users can also select hollow cathode lamps and optimize wavelengths automatically, resulting in efficient and consistent sample analysis.
Q: What is the main benefit of using a single-beam, Czerny-Turner optical system?
A: The single-beam, Czerny-Turner design ensures accurate and stable wavelength selection, minimizing stray light and maximizing resolution across the 190-900 nm range, which is vital for trace metal quantification.
Q: When should I use the high-speed BGC-SR or BGC-D2 background correction methods?
A: The BGC-SR and BGC-D2 methods are recommended when you require rapid correction for backgrounds caused by complex sample matrices. These techniques enhance accuracy during high-throughput analyses, such as food safety or clinical testing applications.
Q: Where is the Atomic Absorption Spectrophotometer LI-5310 commonly used?
A: The LI-5310 is widely adopted in laboratories for environmental monitoring, food safety testing, pharmaceutical purity analysis, mining exploration, soil nutrient assessments, clinical serum testing, forensic toxicology, petrochemical inspections, and metallurgical research.
Q: What process does the instrument follow for trace-metal analysis?
A: The process includes sample aspiration into a flame, selection and ignition of the appropriate hollow cathode lamp, optimization of wavelengths, baseline zeroing, standard curve calibration, concentration calculation, and automated data reporting, all controlled via PC interface.
Q: How accurate are the analytical results provided by the LI-5310?
A: The LI-5310 offers wavelength accuracy of 0.2, ensuring high precision in quantifying even low concentrations of metals in various sample types.
Q: What are the advantages of the automated gas control system?
A: Automated gas control maintains optimal burner conditions, reducing the risk of manual errors, improving safety, and ensuring consistent flame performance for accurate and reliable measurements.