Výsledky vyhledávání - "Sung Rok Cho"

Optimization of Chemical Oxygen Demand Determination in Seawater Samples Using the Alkaline Potassium Permanganate Method

Autor: TaeKeun Rho, Sung Rok Cho, Sang-Hwa Choi, Sung Hyun Khang, Dong-Jin Kang, Eun-Soo Kim, Na Yeon Kang

Publikováno v: Ocean Science Journal. 53:611-619

Chemical oxygen demand (COD) is a practical parameter that is used to estimate the amount of organic pollutants in aqueous systems. It is generally used as a guideline to control the quality of waste treatment effluent globally and is a management to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7467e3c9f333e9c1a5ab4b0873ed38a1
https://doi.org/10.1007/s12601-018-0040-0

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Practical considerations for the segmented-flow analysis of nitrate and ammonium in seawater and the avoidance of matrix effects

Autor: Taehee Na, Sung-Rok Cho, Stephen Coverly, Eun-Soo Kim, Sung-Hyun Kahng, Jung-Moo Lee, Dong-Jin Kang, Cho-Rong Moon, TaeKeun Rho

Publikováno v: Ocean Science Journal. 50:709-720

In this study we describe measures taken in our laboratory to improve the long-term precision of nitrate and ammonia analysis in seawater using a microflow segmented-flow analyzer. To improve the nitrate reduction efficiency using a flow-through open

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::56a6a030a47e13192f2f38a11bcf42d1
https://doi.org/10.1007/s12601-015-0064-7

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Study on the Characteristics and Non-point Source Pollution Loads in Stormwater Runoff of Shihwa Lake

Autor: Jae-Hyun Bang, Kongtae Ra, Sung-Rok Cho, Kyung-Tae Kim, Eun-Soo Kim, Sung-Keun Kim, Jung-Moo Lee, Min-Sang Yun, Joung-Keun Kim

Publikováno v: Journal of the Korean Society for Marine Environment & Energy. 14:40-50

We study the characteristic and total flux of non-point pollutants such as total suspended solids (TSS), chemical oxygen demand (COD), dissolved nutrients, total phosphorus (TP) and total nitrogen (TN) in the storm water runoff from urban streams and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc1c8a7b953e7a3fe381ffaa11f55086
https://doi.org/10.7846/jkosmee.2011.14.1.040

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Seasonal and spatial distribution of nonylphenol and IBP in Saemangeum Bay, Korea

Autor: Sung Rok Cho, Un Hyuk Yim, Eun-Soo Kim, Jee Hyun Jeung, Donghao Li, Meihua Dong, Narayanan Kanan, Jae-Ryoung Oh, Sang Hee Hong, Won Joon Shim

Publikováno v: Marine Pollution Bulletin. 51:966-974

In order to investigate spatial and temporal distribution of organic pollutants in the Saemangeum Bay, organophosphorus pesticides (10), alkylphenols (8), chlorophenols (2), bisphenol A were analyzed from the surface seawater taken in 2002–2003. Mo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53fcc35e9f8e7189b7156bf568b3b96a
https://doi.org/10.1016/j.marpolbul.2004.11.006

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Trace Metals in Surface Seawaters and Mussels around the Dokdo, Korea

Autor: Soo Hyung Lee, Sung Rok Cho, Kyung-Tae Kim, Eun-Soo Kim

Publikováno v: Ocean and Polar Research. 24:399-406

Trace metals were investigated for the surface seawaters and mussels collected in adjacent sea to the Dokdo during 1999-2000. This study reports the temporal and spatial distributions of trace metals in seawaters and mussels of the Dokdo coastal area

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::427b9d52776f9e8eaead328d9efe6be6
https://doi.org/10.4217/opr.2002.24.4.399

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Screen-printed anodic stripping voltammetric sensor containing HgO for heavy metal analysis

Autor: Sung-Rok Cho, Jung-Yuen Choi, Jae-Ryoung Oh, Jongman Park, Kyoungwon Seo, Sung-Hyun Kahng

Publikováno v: Analytica Chimica Acta. 443:241-247

A screen-printed disposable sensor for the anodic stripping voltammetric (ASV) analysis of heavy metals was prepared by integrating a HgO-modified working electrode, Ag/AgCl reference electrode, and carbon counter electrode on a polycarbonate strip.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fd9f9c626f2aa76c065a99048418e2bd
https://doi.org/10.1016/s0003-2670(01)01219-3

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Pd nanowire sensors for hydrogen detection

Autor: Sung-Rok Cho, Kyung Tae Kim

Publikováno v: Proceedings of IEEE Sensors, 2004..

A very sensitive hydrogen sensor is fabricated using palladium (Pd) nanowires electroplated using anodized alumina template. The mechanism for detecting hydrogen concentration is different from conventional hydrogen sensors using Pd. The Pd nanowires

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7083f676e73bdc9ac03cf28d949aef13
https://doi.org/10.1109/icsens.2004.1426264

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