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형광 광도계 설계인자 도출을 위한 기름의 형광 스펙트럼 분석Oil Fluorescence Spectrum Analysis for the Design of Fluorime-ter

Other Titles
Oil Fluorescence Spectrum Analysis for the Design of Fluorime-ter
Authors
오상우서동민안기영김재우이문진전태병서성규
Issue Date
2015
Publisher
한국해양환경·에너지학회
Keywords
유출유 탐지; 현장탐지 센서; 형광 광도계; 형광 스펙트럼; 형광 분석법; Oil Spill Detection; In-situ Sensor; Fluorimeter; Fluorescence Spectrum; Fluorescence Spectroscopy
Citation
한국해양환경?에너지학회지, v.18, no.4, pp 304 - 309
Pages
6
Journal Title
한국해양환경?에너지학회지
Volume
18
Number
4
Start Page
304
End Page
309
URI
https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/812
ISSN
2288-0089
2288-081X
Abstract
To evaluate the degree of contamination caused by oil spill accident in the sea, the in-situ sensors which are based on the scientific method are needed in the real site. The sensors which are based on the fluores-cence detection theory can provide the useful data, such as the concentration of oil. However these kinds of sensors commonly are composed of the ultraviolet (UV) light source such as UV mercury lamp, the multiple excitation/emission filters and the optical sensor which is mainly photomultiplier tube (PMT) type. Therefore, the size of the total sensing platform is large not suitable to be handled in the oil spill field and also the total price of it is extremely expensive. To overcome these drawbacks, we designed the fluorime-ter for the oil spill detection which has compact size and cost effectiveness. Before the detail design pro-cess, we conducted the experiments to measure the excitation and emission spectrum of oils using five different kinds of crude oils and three different kinds of processed oils. And the fluorescence spectrometer were used to analyze the excitation and emission spectrum of oil samples. We have compared the spec-trum results and drawn the each common spectrum regions of excitation and emission. In the experi-ments, we can see that the average gap between maximum excitation and emission peak wavelengths is near 50 nm for the every case. In the experiment which were fixed by the excitation wavelength of 365 nm and 405 nm, we can find out that the intensity of emission was weaker than that of 280 nm and 325 nm. So, if the light sources having the wavelength of 365 nm or 405 nm are used in the design process of fluorimeter, the optical sensor needs to have the sensitivity which can cover the weak light intensity. Through the results which were derived by the experiment, we can define the important factors which can be useful to select the effective wavelengths of light source, photo detector and filters.
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