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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.12
- 수록면
- 634 - 640 (7page)
이용수
이 논문의 연구 히스토리 (5)
2016
Adsorption and Precipitation of Cadmium Affected by Chemical Species and Addition Rate of Phosphate in Soils Having Different Levels of Cadmium
Hyun Ho Lee
,
Chang Oh Hong
한국토양비료학회 학술발표회 초록집
2016.10
학술대회자료
Effect of Phosphate Addition on Cadmium Extractability and its Uptake by Rice in Contaminated Paddy Soil
Hyun Ho Lee
,
Chang Oh Hong
한국토양비료학회 학술발표회 초록집
2016.03
학술대회자료
2015
Contrast Effect of Citric Acid and Ethylenediaminetetraacetic Acid on Cadmium Extractability in Arable Soil
Hyun Ho Lee
,
Chang Oh Hong
한국토양비료학회지
2015.12
학술저널
Mechanism of Cadmium Immobilization by Oyster Shell and Calcite : Precipitation and Chemisorption
Hyun Ho Lee
,
Sang Yoon Kim
,
Chang Oh Hong
한국토양비료학회 학술발표회 초록집
2015.12
학술대회자료
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- 이 논문의 연구 히스토리 확인하기
초록· 키워드
오류제보하기
Chelating agents have been proposed to improve the efficiency of phytoextraction of heavy metal hyperaccumulator. However, little studies to elucidate mechanism of chelating agents to increase cadmium(Cd) extractability have been conducted. The objectives of this study were to evaluate effect of different chelating agents on Cd extractability and to determine mechanism of Cd mobilization affected by these agents. An arable soil was spiked with inorganic Cd (CdCl₂) to give a total Cd concentration of 20 mg Cd kg<SUP>-1</SUP>. Ethylenediaminetetraacetic acid (EDTA) and citric acid (CA) were selected and mixed with the arable soil at the rates of 0 and 5 mmol kg<SUP>-1</SUP>. The mixture soils were incubated at 25°C for 4 weeks in dark condition. Concentration of F1 Cd fractions (water soluble) significantly increased with addition of EDTA but did not changed with addition of CA. Especially; concentration of F5 Cd fractions (residual) significantly increased with addition of CA. Increase in water soluble with EDTA might be attributed to complexation of Cd and EDTA. Dissolved organic carbon concentration significantly increased with EDTA addition, but did not with CA implying that considerable amount of CA was decomposed to inorganic carbon by microorganism. Log activity of carbonate (CO₃<SUP>2-</SUP>) which might be generated from CA increased with addition of CA. Increase in residual Cd fraction might be due to precipitation of Cd as CdCO₃. As a result, EDTA was effective in increasing Cd extractability, by contrast CA had significant effect in reducing Cd extractability.
목차
Introduction
Materials and Methods
Results and Discussion
Conclusion
References
참고문헌 (40)
참고문헌 신청
[학술지(정기간행물)] - Angelova V. / 2004 / Bio-accumulation and distribution of heavy metals in fiber crops (flax, cotton and hemp) / Ind. Crop Prod 19 : 197 ~ 205
[학술지(정기간행물)] - Antoniadis V. / 2002 / The role of dissolved organic carbon in the mobility of Cd, Ni and Zn in sewage sludge-amended soils / Environ. Pollut 117 : 515 ~ 521
[학술지(정기간행물)] - Bjelkova M. / 2011 / Accumulation of cadmium by flax and linseed cultivars in fieldsimulated conditions: A potential for phytoremediation of Cd-contaminated soils / Ind. Crop Prod 33 : 761 ~ 774
[학술지(정기간행물)] - Bolan N. S. / 2003 / Immobilization and phytoavailability of cadmium in variable charge soils.Ⅱ. Effect of lime addition / Plant Soil 251 : 187 ~ 198
[학술지(정기간행물)] - Bolan N. S. / 2003 / Immobilization and phytoavailability of cadmium in variable charge soils.Ⅰ. Effect of phosphate addition / Plant Soil 250 : 83 ~ 94
[학술지(정기간행물)] - Antoniadis V. / 2002 / The role of dissolved organic carbon in the mobility of Cd, Ni and Zn in sewage sludge-amended soils / Environ. Pollut 117 : 515 ~ 521
[학술지(정기간행물)] - Bjelkova M. / 2011 / Accumulation of cadmium by flax and linseed cultivars in fieldsimulated conditions: A potential for phytoremediation of Cd-contaminated soils / Ind. Crop Prod 33 : 761 ~ 774
[학술지(정기간행물)] - Bolan N. S. / 2003 / Immobilization and phytoavailability of cadmium in variable charge soils.Ⅱ. Effect of lime addition / Plant Soil 251 : 187 ~ 198
[학술지(정기간행물)] - Bolan N. S. / 2003 / Immobilization and phytoavailability of cadmium in variable charge soils.Ⅰ. Effect of phosphate addition / Plant Soil 250 : 83 ~ 94
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Effects of Organic Matter Concentration in Soil on Phytoavailability of Cadmium in Medicinal Plants
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Alleviating Effects of Nitric Oxide on Cadmium Toxicity in White Poplar (Populus alba)
Journal of forest and environmental science
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Effects of Cadmium and Arsenic on Physiological Responses and Copper and Zinc Homeostasis of Rice
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Effect of Rice Straw Compost on Cadmium Transfer and Metal-ions Distribution at Different Growth Stages of Soybean
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Associations between socioeconomic status and blood cadmium levels in Korea
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Feasibility Study of Different Biochars as Adsorbent for Cadmium and Lead
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Efficacy of Elaeagnus umbellata leaves on prevention of cadmium-induced toxicity in HepG2 cells
Food Science and Preservation
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UCI(KEPA) : I410-ECN-0101-2016-521-002207217