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Effect of pH and Redox Potential on the Release of Heavy Metals from Arkansas River Sediments

机译：pH和氧化还原电位对阿肯色河沉积物重金属释放的影响

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The release of copper, cadmium, chromium, lead and zinc from sediments obtained from the Arkansas River in Tulsa, Oklahoma was examined in laboratory systems at various pH and oxidation-reduction potential values. Maximum release of the metals as a function of pH occurred either in the very acidic or the very alkaline pH range, and it is therefore, unlikely that a significant release of the metals would be observed in situ for an extended period of time. Anaerobic conditions promoted the release of copper, lead, and zinc although aerobic release was also observed. The release of cadmium was not significantly affected by varying the redox potential, and the release of chromium was found to increase with an increase in the oxidation-reduction potential.

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作者
Bates, M. H.;
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年度 1981
页码 1-49
总页数 49
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Water pollution; pH; Oxidation reduction reactions; Sediments; Arkansas River; Adsorption; Copper; Cadmium; Chromium; Lead(Metal); Zinc; Atomic spectra; Anaerobic processes;

机译：水污染; pH;氧化还原反应;沉积物;阿肯色河;吸附;铜;镉;铬;铅（金属）;锌;原子光谱;厌氧过程;

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机译：波斯海湾西北西北部预先氧化还原潜力下释放重金属
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4. Influence of redox conditions on speciation and assessment of potential ecological risk of heavy metals in the sediment of Fenhe reservoir [C] . Ting-Lin HUANG, Wei-Huang ZHU, Bei-Bei CHAI, The International Conference on Advances in Chemical Technologies for Water and Wastewater Treatment(2008年化学技术对水及废水处理国际研讨会)论文集 . 2008

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5. Assessment of surface and ground waters, stream and estuary sediments and other ecosystem receptors to determine long-term impacts of surface PCB and heavy metal releases, Makinsons, Newfoundland. [D] . Bourgeois, Jason Francis. 1997

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6. Distribution and Potential Ecological Risk of Heavy Metals in Water, Sediments, and Aquatic Macrophytes: A Case Study of the Junction of Four Rivers in Linyi City, China [O] . Xiuling Li, Henglun Shen, Yongjun Zhao, 1943

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7. Geochemical and lead-isotope data from stream and lake sediments, and cores from the upper Arkansas River drainage; effects of mining at Leadville Colorado on heavy-metal concentrations in the Arkansas River [O] . S.E. Church, C.W. Holmes, Paul H. Briggs, 1993

机译：来自溪流和湖泊沉积物的地球化学和铅同位素数据，以及来自上阿肯色州河流排水的核心;矿业在阿肯色州河流中铅科罗拉多州铅科罗拉多州重金属浓度的影响

Effect of pH and Redox Potential on the Release of Heavy Metals from Arkansas River Sediments

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