최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기자원환경지질 = Economic and environmental geology, v.51 no.6, 2018년, pp.509 - 520
김강주 (군산대학교 환경공학과) , 함세영 (부산대학교 지구환경시스템학부) , 김락현 (한국환경공단 토양지하수처) , 김현구 (국립환경과학원 토양지하수연구과)
Alkalinity is one of the basic variables, which determine geochemical characteristics of natural waters and participate in processes changing concentrations of various contaminants either directly or indirectly. However, not a few laboratories and researchers of Korea still use alkalinity-measuremen...
핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
정확한 알칼리도 값을 얻는 것이 수질연구에 있어 중요한 이유는 무엇인가? | 지하수에서의 알칼리도는 주로 광물과의 반응에 의해 증가되고, 이 경우 양이온과 1:1 당량비로 같이 증가된다(Kim, 2003). 반면, 알칼리도에 영향을 주는 다른 화학반응들은 각자 다른 방식으로 수질에 영향을 준다. 이와 같은 특성을 바탕으로 수질에 영향을 준 각종 화학반응의 정도를 정량화할 수도 있다(Kim et al., 2008). | |
알칼리도란 무엇인가? | 알칼리도(alkalinity)는 물이 pH변화에 저항할 수 있는 능력을 말하며, 이 때문에 물이 가지고 있는 산성중화능력(Acid Neutralizing Capacity)라고 할 수 있다(Stumm and Morgan, 1996). 알칼리도는 해양연구에서 처음 측정되었으나, 지금은 지표수, 지하수, 폐수 등 다양한 물에 대하여도 측정된다. | |
물의 pH를 결정할 때 고려하여야 하는 것은? | 알칼리도는 해양연구에서 처음 측정되었으나, 지금은 지표수, 지하수, 폐수 등 다양한 물에 대하여도 측정된다. 알칼리도는 용존 CO2의분압(PCO2) 또는 용존무기탄소(DIC, dissolved inorganic carbon = [H2CO3]+[HCO3-]+[CO32-])와 함께 작용하여 물의 pH를 결정한다(Stumm and Morgan, 1996; Kim et al., 2010). |
APHA (American Public Health Association), AWWA (American Water Works Association), WEF (Water Environment Federation), 2012a. Method 2320 Alkalinity. In: Standard Methods for the Examination of Water and Wastewater, 22nd(ed.), American Public Health Association, American Water Works Association, Water Environment Federation. DOI: 10.2105/SMWW.2882.023.
APHA (American Public Health Association), AWWA (American Water Works Association), WEF (Water Environment Federation), 2012b. 2310 Acidity. In: Standard Methods for the Examination of Water and Wastewater, 22nd(ed.), American Public Health Association, American Water Works Association, Water Environment Federation. DOI: 10.2105/SMWW.2882.022.
Appelo, C.A.J. and Postma, D. (2005) Geochemistry, Groundwater and Pollution, 2nd(ed.), Balkema.
Choi, B.Y., Kim, H.J., Kim, K., Kim, S.H., Jeong, H.J., Park, E. and Yun, S.T. (2008) Evaluation of the processes affecting vertical water chemistry in an alluvial aquifer of Mankyeong watershed, Korea, using multivariate statistical analyses. Environ. Geol., v.54(2), p.335-345.
Clark, I.D. and Fritz, P. (1997) Environmental Isotopes in Hydrogeology. Lewis Publishers, NewYork, p.328.
Drever, J.I. (1997) The geochemistry of natural waters: surface and groundwater environments. 3rd(ed.), Prentice Hall Englewood Cliffs, New Jersey 07632.
Dyrssen, D. and Sillen, L.G. (1967) Alkalinity and total carbonate in seawater. Tellus, v.19, p.110.
Fresenius, W., Quentin, K.E. and Schneider, W. (1988) Water analysis: a practical guide to physico-chemical, chemical and microbiological water examination and quality assurance. Springer-Verlag, Berlin Heidelberg, Germany, p.804.
Gran, G. (1952) Determination of equivalence point in potentiometric titrations. Part II. Analyst 77, 661-671.
Jo, M., Chae, G.T., Koh, D.C., Yu, Y. and Choi, B.Y. (2009) A comparison study of alkalinity and total carbon measurements in $CO_2$ -rich water. J. Soil Groundw. Environ., v.14(3), p.1-13.
Jung, Y.-Y., Koh, D.-C., Yu, Y.-J. and Ko, K.-S. (2010) Analysis of groundwater flow systems for springs in the southern slope of Jeju Island using hydrogeochemical parameters. J. Geol. Soc. Korea. 46, 253-273.
Kim, K,, Kim, S.H., Jeong, G.Y. and Kim, R.H. (2012) Relations of arsenic concentrations among groundwater, soil, and bedrock in a small village of Chungnam, Korea: implication for As mobilization according to changes in As-hosting minerals and land use. J. Hazard. Mater., v.199-200, p.25-35.
Kim, K. (2003) Long term disturbance of groundwater chemistry following well installation. Ground Water, v.41, p.780-789.
Kim, K. and Jeong, G.Y. (2005) Factors influencing the occurrence of fluoride-rich groundwaters: a case study in the southeastern part of the Korean Peninsula. Chemosphere, v.58, p.1399-1408.
Kim, K., Kim, H.J., Choi, B.Y., Kim, S.H., Park, K.H., Park, E., Koh, D.C. and Yun, S.T. (2008) Fe and Mn levels regulated by agricultural activities in alluvial groundwaters underneath a flooded paddy field. Appl. Geochem., v.23, p.44-57.
Kim, K., Kim, S.H., Park, S.M., Kim, J. and Choi, M. (2010) Processes controlling the variations of pH, alkalinity, and $CO_2$ partial pressure in the porewater of coal ash disposal site. J. Hazard. Mater., v.181, p.74-81.
Kim, K., Moon, J.T., Kim, S.H. and Ko, K.S. (2009) Importance of surface geologic condition in regulating As concentration of groundwater in the alluvial plain. Chemosphere, v.77, p.473-484.
Kim, K., Rajmohan, N., Kim, H.J., Hwang, G.S. and Cho, M.J. (2004) Assessment of groundwater chemistry in a coastal region (Kunsan, Korea) having complex contaminant sources: A stoichiometric approach. Environ. Geol., v.46, p.763-774.
Kim, K., Rajmohan, N., Kim, H.J., Kim, S.H., Hwang, G.S., Yun, S.T., Gu, B., Cho, M.J. and Lee, S.H. (2005) Evaluation of geochemical processes affecting groundwater chemistry based on mass balance approach: a case study in Namwon, Korea. Geochem. J., v.39(4), p.357-369.
Koh, D.-C., Plummer, L.N., Solomon, D.K., Busenberg, E., Kim, Y. and Chang, H.-W. (2006) Application of environmental tracers to mixing, evolution, and nitrate contamination of ground water in Jeju Island, Korea. Journal of Hydrology 327, 258-275. doi.org/10.1016/j.jhydrol.2005.11.021
Kotuby-Amacher, J. and Amacher, M.C. (1995) Comparison of three methods for determining total alkalinity in natural waters. Research Paper INT-RP-480, Intermountain Research Station, U.S. Department of Agriculture.
Parkhurst, D.L. and Appelo, C.A.J. (2013) Description of Input and Examples for PHREEQC Version 3-A Computer Program for Speciation, Batch-Reaction, One-Dimensional Transport, and Inverse Geochemical Calculations. Techniques and Methods 6-A43, USGS, p.497.
Reuss, J.O. and Johnson, D.W. (1986) Acid deposition and the acidification of soils and waters. Springer-Verlag, New York, p.119.
Rounds, S.A. (2006) Alkalinity and acid neutralizing capacity (ver. 3.0): U.S. Geological Survey Techniques of Water-Resources Investigations, book 9, chap. A6., sec. 6.6, July 2006, accessed from http://pubs.water.usgs.gov/twri9A6/.
Stumm, W. and Morgan, J.J. (1996) Aquatic chemistry. 3rd(ed.), John Wiley, New York, p.1022.
USEPA (1974) Method 310.2, Alkalinity (colorimetric, automated, methyl orange) by autoanalyzer. United States Environmental Protection Agency.
USEPA (1978) Method 310.1, Alkalinity. United States Environmental Protection Agency.
*원문 PDF 파일 및 링크정보가 존재하지 않을 경우 KISTI DDS 시스템에서 제공하는 원문복사서비스를 사용할 수 있습니다.
오픈액세스 학술지에 출판된 논문
※ AI-Helper는 부적절한 답변을 할 수 있습니다.