Measurement of free heavy metal ion concentrations in soils using Donnan membrane technique
In natural systems heavy metals are present in very low concentrations (less than micro-molar) , so precise measurement of the free metal ions is difficult. Recently, a new method has been developed called the Donnan membrane technique (DMT). Several heavy metals could be measured simultaneously usi...
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| Veröffentlicht in: | Acta geochimica 2005-04, Vol.24 (2), p.184-188 |
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| creator | 易丽 洪业汤 翁丽萍 朱咏煊 |
| description | In natural systems heavy metals are present in very low concentrations (less than micro-molar) , so precise measurement of the free metal ions is difficult. Recently, a new method has been developed called the Donnan membrane technique (DMT). Several heavy metals could be measured simultaneously using this method. Furthermore, all the metals did not interfere with each other, and the balance between the measured system and the surrounding condition could not be disturbed. Improvements were made according to the internal condition. The free heavy metal ion concentrations were measured in different systems using the improved method, and satisfied results have been obtained. |
| doi_str_mv | 10.1007/BF02841164 |
| format | Article |
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Recently, a new method has been developed called the Donnan membrane technique (DMT). Several heavy metals could be measured simultaneously using this method. Furthermore, all the metals did not interfere with each other, and the balance between the measured system and the surrounding condition could not be disturbed. Improvements were made according to the internal condition. 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| source | Springer Nature - Complete Springer Journals; Alma/SFX Local Collection |
| subjects | Geochemistry Heavy metals Ion concentration Ions Low concentrations Measurement Membranes Metal concentrations Metal ions Metals Methods Soils 土壤化学 环境污染 生态监测 自由重金属离子 |
| title | Measurement of free heavy metal ion concentrations in soils using Donnan membrane technique |
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