Application Notes - Molecular Spectroscopy

Sep 22, 2018
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This application note explores the development of suitable materials for Fluorescence Instrument applications to improve measurement confidence and data validation.
Sep 20, 2018
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Fluorescence spectroscopy has greater sensitivity than absorption spectrophotometry and, therefore, is useful for the detection and analysis of trace substances.
Sep 20, 2018
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Unlike absolute quantum yield measurements, which require an integrating sphere, the relative method uses a standard single cell holder.
Sep 20, 2018
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This technical note demonstrates the limits of detection of the FL 6500 and FL 8500 fluorimeters using quinine sulfate in 0.1 M sulfuric acid.
Sep 20, 2018
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Optical brightening agents (OBAs) are dyes commonly used to increase the apparent whiteness and brightness of paper, textiles and detergents.
Sep 20, 2018
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The pulsing and detection parameters are controlled entirely electronically and so it is possible to get very precise control over these parameters using the FL 6500 and FL 8500.
Sep 20, 2018
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Fluorescence quantum yield can be measured using two methods: the relative method and the absolute method.
Sep 20, 2018
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Fluorescence is a relative technique – this means that a quantitative measurement requires a comparative measurement against a material of known concentration.
Sep 20, 2018
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Synchronous fluorescence spectroscopy provides a useful tool to produce a simplified “fingerprint” for complex mixtures of fluorescent compounds such as crude oil and its distillates.
Sep 20, 2018
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In this study, the detection and identification of microplastics in different brands of bottled water was done using a PerkinElmer Spotlight 400 FT-IR imaging system.
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