지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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The conventional methods for total residual chlorine such as iodometry and DPD colorimetric can cause secondary pollution due to additional agents, also have a wide error range. As for alternative, electrochemical method can measure TRC(Total residual chlorine), and is not required as additional agents, also very suitable for using the fields of ballast water because test time is relatively fast. Therefore, this study was investigated for changing charge by agitation, salt concentration, and temperature change. Charge showed differences based on changes of reduction peak with or without agitation. In contrast, TRC and charge were well correlated in constant agitation speed. As TRC and charge were analyzed with high correlations in constant salinity and temperature of ocean, thereby conductivity was firstly measured, and charge had high correlation for TRC in spite of changing salinity and temperature Pt electrode revealed high reliability ($r^2=0.960$) because it was rarely effected by TRC, On the other hand, Au electrode appeared inadequate ($r^2=0.767$) to use sensor in less than 1.0 ppm of TRC. For high accuracy and detection of TRC, Pt and Au electrodes for test time were, respectively, 14 and 22 seconds. As a result, Pt electrode was more valuable than Au electrode in terms of response time.
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참고문헌 (9)
참고문헌 신청
Campl, F. J. D. / 2005 / Improved Free Chlorine Amperometric Sensor Chip for Drinking Water Applications / Analytica Chimica Acta 5554:98~104
Deṡiċ, M. N. / 2005 / Study of Gold-platinum and Platinum-gold Surface Modification and its Influence on Hydrogen Evolution and Oxygen Reduction / Journal of the Serbian Chemical Society 70:231~242
Harp, D. L. / 2002 / Current Technology of Chlorine Analysis for Water and Wastewater / Technical information series Booklet 17
김은찬 / 2012 / 선박평형수 처리장치의 활성물질 농도에 관한 고찰 / 한국해양환경•에너지학회지 15(3):219~226
Kodera, F. / 2005 / Determination of Free chlorine based on Anodic Voltammetry using Platinum, Gold, and Glassy carbon Electrodes / Analytica Chimica Acta 537:293~298
Deṡiċ, M. N. / 2005 / Study of Gold-platinum and Platinum-gold Surface Modification and its Influence on Hydrogen Evolution and Oxygen Reduction / Journal of the Serbian Chemical Society 70:231~242
Harp, D. L. / 2002 / Current Technology of Chlorine Analysis for Water and Wastewater / Technical information series Booklet 17
김은찬 / 2012 / 선박평형수 처리장치의 활성물질 농도에 관한 고찰 / 한국해양환경•에너지학회지 15(3):219~226
Kodera, F. / 2005 / Determination of Free chlorine based on Anodic Voltammetry using Platinum, Gold, and Glassy carbon Electrodes / Analytica Chimica Acta 537:293~298
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