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2000•Journal of Shandong UniversityRequires access

DETECTION OF TRACE AMOUNT OF Se BASED ON FLUORESCENT SYSTEM Se-DAN-β-CD-SLS

Hua Zou

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Abstract

By using the Fluorescent system Se DAN β CD SLS,trace amount of Se in water can be detected directly.The optimum pH ranges from 5 to 8.The excitation wavelength and the emission wavelength are 379 nm and 540 nm.Especially,over the range of 0.001～0.6 μg/ml Se,the intensity increase linearly with the concentration of Se with the detection limit being 0.001 μg/ml.In this system,many common ions have little influence on the detection of Se.

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What this paper is about

By using the Fluorescent system Se DAN β CD SLS,trace amount of Se in water can be detected directly.The optimum pH ranges from 5 to 8.The excitation wavelength and the emission wavelength are 379 nm and 540 nm.Especially,over the range of 0.001～0.6 μg/ml Se,the intensity increase linearly with the concentration of Se with the detection limit being 0.001 μg/ml.In this system,many common ions have little influence on the detection of Se.

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Available abstract

By using the Fluorescent system Se DAN β CD SLS,trace amount of Se in water can be detected directly.The optimum pH ranges from 5 to 8.The excitation wavelength and the emission wavelength are 379 nm and 540 nm.Especially,over the range of 0.001～0.6 μg/ml Se,the intensity increase linearly with the concentration of Se with the detection limit being 0.001 μg/ml.In this system,many common ions have little influence on the detection of Se.

Key concepts: Detection limit, Fluorescence, Wavelength, Excitation wavelength, Ion, Analytical Chemistry (journal), TRACE (psycholinguistics), Excitation

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