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<Used Analytical Equipment>
This is a photodiode array detector manufactured by Shimadzu. It features an added high-sensitivity mode and demonstrates a high sensitivity of 0.6×10^-5 AU, comparable to UV-Vis detectors, thanks to its light source compensation function. (S2967-00)
A detector for LC that excels in sensitivity, stability, and ease of use - fits your analysis with high flexibility.
Waters offers a comprehensive portfolio of detection technologies for HPLC analysis. This enables the analysis of a wide range of compounds. Each detector comes with several selectable options, such as flow cells and nebulizers, suitable for the separation scale you are using. 【Features】 - A lineup of optional flow cells according to LC scale - Excellent linear range - Low dispersion characteristics, simple operation, high data acquisition speed 【Product Lineup】 - 2489 UV/Visible (UV/Vis) Detector - 2998 Photodiode Array (PDA) Detector - 2424 Evaporative Light Scattering (ELS) Detector - 2414 Differential Refractive Index (RI) Detector - 2475 Fluorescence (FLR) Detector - 2432 Electrical Conductivity Detector for HPLC Systems - 3465 Electrochemical Detector for LC Systems
A detector for LC that excels in sensitivity, stability, and ease of use - compatible with sharp peaks obtained from UPLC.
Waters offers a comprehensive portfolio of detection technologies for UPLC/UHPLC analysis. This enables the analysis of a wide range of compounds. Each detector comes with several selectable options, such as flow cells and nebulizers, suitable for the separation scale you are using. 【Features】 - A newly designed dedicated group of detectors to detect sharp peaks obtained from UPLC - Detector cells that minimize diffusion 【Lineup】 - ACQUITY UPLC ELS Detector (ELSD) - ACQUITY UPLC RI Detector - ACQUITY UPLC and ACQUITY Premier FLR Detectors - ACQUITY UPLC PDA Detector - ACQUITY UPLC and ACQUITY Premier PDA eLambda Detectors - ACQUITY UPLC and ACQUITY Premier Tunable UV Detectors
A thorough explanation of one of the UV-visible absorbance detectors, DAD. We will also clearly explain the differences with VWD! Basic knowledge materials are available for free.
DAD, unlike VWD, irradiates the cell with light from the light source without spectrally analyzing it. The light that passes through the cell is spectrally analyzed and detected by a device with an array of photodiodes (photodiode array). It is possible to record the UV-Vis spectrum of the eluent from the column. Therefore, simultaneous multi-wavelength detection, peak purity testing, and comparison with the UV-Vis spectrum of standard substances can be performed, making the peak identification capability superior to that of VWD. This document provides a clear summary of the fundamentals of separation in liquid chromatography (LC), detectors, and principles. It is recommended for those who are newly learning HPLC, those who want to review from the basics, and those looking for materials useful for in-house training. [Contents (partial)] ■ Introduction ■ HPLC Equipment ■ Separation in HPLC ■ Detection *For more details, please download the PDF or feel free to contact us.
Thorough Explanation of UV-Visible Absorbance Detectors: A Clear and Detailed Explanation of the Differences Between VWD and DAD! Free Basic Knowledge Materials Available!
Many organic compounds analyzed by HPLC have absorption in the ultraviolet-visible region. Therefore, ultraviolet-visible absorbance detectors are the most widely used in HPLC. A deuterium discharge lamp (D2 lamp) is used as the light source, but a tungsten lamp may also be used in conjunction to measure absorption in the visible region with high sensitivity. This document provides a clear summary of the basics of separation in liquid chromatography (LC), detectors, and principles. It is recommended for those who are learning HPLC for the first time, those who want to review from the basics, and those looking for materials useful for in-house training. [Contents (partial)] ■ Introduction ■ HPLC Equipment ■ Separation in HPLC ■ Detection *For more details, please download the PDF or feel free to contact us.
Thorough Explanation of One of the UV-Visible Absorbance Detectors, VWD: A Clear Comparison with DAD! Free Basic Knowledge Materials Available!
VWD spectrally analyzes the light from the light source using a grating, converts it into monochromatic light, and then measures the absorbance in a flow cell. Since detection is performed at a single wavelength, it is possible to switch wavelengths using a time program for simultaneous analysis of multiple components when the maximum absorption of each analyte differs. This document provides a clear summary of the fundamentals of liquid chromatography (LC), detectors, and principles. It is recommended for those who are newly learning HPLC, those who want to review from the basics, and those looking for materials useful for in-house training. [Contents (partial)] ■ Introduction ■ HPLC Equipment ■ Separation in HPLC ■ Detection *For more details, please download the PDF or feel free to contact us.
