About Double Beam UV-VIS Spectrophotometer with tab
The LI2702 Double Beam UVVIS Spectrophotometer is a microprocessorcontrolled analytical instrument used to measure the absorbance and transmittance of substances in the ultraviolet and visible regions approximately 1901100 nm It operates on a double beam principle where light from a source is split into two pathsone passing through the sample and the other through a referenceallowing accurate comparison and minimizing errors due to light fluctuations The instrument uses a deuterium lamp for UV light and a tungstenhalogen lamp for visible light along with a monochromator to select specific wavelengths A detector converts transmitted light into electrical signals which are processed to determine concentration using the BeerLambert law It is widely used in chemical analysis pharmaceutical quality control environmental testing and biochemical studies due to its high accuracy stability and ability to perform multiple functions such as spectrum scanning and kinetics measurements
Advanced Optical PerformanceUtilizing a double beam optical system, this spectrophotometer separates light into sample and reference streams. This configuration provides high measurement accuracy by compensating for fluctuations in the light source. The comprehensive wavelength range (190-1100 nm) makes it ideal for UV and visible spectrum analyses across multiple industries.
Versatile Laboratory ApplicationsIdeal for chemical analysis, pharmaceutical quality control, biochemical assays, and environmental testing, this instrument excels in determining substance concentrations using the Beer-Lambert law. It's also suitable for DNA, RNA, and protein estimation in clinical labs, as well as quality assurance in the food, beverage, and industrial sectors.
User-Friendly Control & ConnectivityThe microprocessor-driven touch screen facilitates seamless operation, automatic wavelength scanning, and data management. With USB/RS-232 ports, users can connect to a PC for expanded data analysis and efficient storage, ensuring research continuity and simplified workflow.
FAQ's of Double Beam UV-VIS Spectrophotometer with tab:
Q: How does the double beam system improve measurement accuracy in UV-VIS spectrophotometry?
A: The double beam system splits the light source into two paths, one for the sample and one for the reference, which compensates for fluctuations in light intensity and ensures greater accuracy and stability during measurements.
Q: What types of analyses can be performed with this spectrophotometer?
A: The spectrophotometer supports a wide range of analyses, including chemical concentration determination, pharmaceutical quality control, biochemical assays for DNA, RNA, and proteins, environmental pollutant detection in water, and testing of additives in food and beverages.
Q: When should I use the automatic wavelength scanning feature?
A: Automatic wavelength scanning is beneficial when a continuous spectrum analysis is needed, such as identifying unknown compounds or optimizing wavelength selection for complex samples. It enhances analytical precision by detecting absorbance peaks throughout the selected range.
Q: Where can this spectrophotometer be used effectively?
A: It is well-suited for laboratories in chemical, pharmaceutical, biochemical, environmental, food, and industrial sectors, providing reliable performance in diverse research and quality control environments.
Q: What is the process for measuring sample concentration using this equipment?
A: The instrument measures sample absorbance at specific wavelengths following the Beer-Lambert law principles. After placing the sample in the optical path, the spectrophotometer calculates concentration based on its absorbance compared to known standards.
Q: How does PC connectivity benefit laboratory workflows?
A: PC connectivity via USB/RS-232 allows users to efficiently transfer, process, and store measurement data. This integration streamlines data management, enhances analysis capabilities, and supports easy report generation for laboratory documentation.