Effects of H2SO4 and HNO3 on soil acidification and aluminum speciation in variable and constant charge soils
文献类型：期刊论文
| 作者 | Xu, RK; Ji, GL |
| 刊名 | WATER AIR AND SOIL POLLUTION
 |
| 出版日期 | 2001-07-01 |
| 卷号 | 129期号:1-4页码:33-43 |
| 关键词 | aluminum speciation constant charge soils soil acidification variable charge soils |
| ISSN号 | 0049-6979 |
| 通讯作者 | Xu, RK() |
| 英文摘要 | The difference in effect on acidification and species of aluminum speciation between HNO3 and H2SO4 for two contrasting types of soils in surface charge was investigated. The results show that the effect of H2SO4 on acidification of variable charge soils (Ferric Acrisol and Haplic Acrisol) of subtropical regions was weaker than that of HNO3, due to the specific adsorption of SO42- and the accompanied release of OH-. For two constant charge soils, Haplic Luvisol and Eutric Cambisol, the difference in effect between the two acids is small. The concentrations of total inorganic monomeric aluminum, Al-3+, Al-F complexes and Al-SO4 complexes in the extract from variable charge soils are also lower in H2SO4 systems than those in HNO3 systems, whereas the reverse is true for constant charge soils, except the concentration of Al-3+. For variable charge soils, Al-F complexes are the major species of inorganic monomeric aluminum at high pH but Al-3+ might contribute to a large part at low pH, while for constant charge soils Al-F complexes contribute almost exclusively to the inorganic monomeric aluminum. The presence of a large amount of SO42- in the extract from the constant charge soils leads to a higher proportion of Al-SO4 complexes in total inorganic monomeric aluminum than that from variable charge soil, although the numerical value of proportion is small. |
| 收录类别 | SCI |
| WOS关键词 | SULFATE ; ADSORPTION ; COMPLEXES ; CHEMISTRY ; FLUORIDE |
| WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences ; Water Resources |
| WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences ; Water Resources |
| 语种 | 英语 |
| WOS记录号 | WOS:000169334400003 |
| 出版者 | KLUWER ACADEMIC PUBL |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2559138 |
| 专题 | 南京土壤研究所 |
| 通讯作者 | Xu, RK |
| 作者单位 | Chinese Acad Sci, Inst Soil Sci, Dept Soil Electrochem, Nanjing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xu, RK,Ji, GL. Effects of H2SO4 and HNO3 on soil acidification and aluminum speciation in variable and constant charge soils[J]. WATER AIR AND SOIL POLLUTION,2001,129(1-4):33-43. |
| APA | Xu, RK,&Ji, GL.(2001).Effects of H2SO4 and HNO3 on soil acidification and aluminum speciation in variable and constant charge soils.WATER AIR AND SOIL POLLUTION,129(1-4),33-43. |
| MLA | Xu, RK,et al."Effects of H2SO4 and HNO3 on soil acidification and aluminum speciation in variable and constant charge soils".WATER AIR AND SOIL POLLUTION 129.1-4(2001):33-43. |
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来源：南京土壤研究所
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