Interaction of radium with freshwater sediments and their mineral components. I.
Interaction of radium with freshwater sediments and their mineral components. I.
复制标题
镭与淡水沉积物及其矿物成分的相互作用。
DOI：
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发表时间：
1984
期刊：
影响因子：
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通讯作者：
Z. Lukavec
中科院分区：
文献类型：
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作者：
P. Benes;P. Strejc;Z. Lukavec
放射性示踪法已被用于调查的吸附和解吸氢氧化铁和石英的条件下，类似于那些流行的废水和地表沃茨的痕量镭。研究了pH值、液固比、离子强度和Ca ~（2+）或SO ~（4 2-）离子的影响。结果表明，在pH值小于7，悬浮沉积物（普通成分）浓度小于100 mg·1−1时，氢氧化铁和石英对表层沃茨中镭的状态和迁移的影响可以忽略不计。吸附在石英上的镭很容易用稀盐酸或氯化钠溶液解吸。
The radiotracer method has been used for investigation of the adsorption and desorption of traces of radium on ferric hydroxide and quartz under conditions similar to those prevailing in waste and surface waters. The effects of pH, liquid to solid ratio, ionic strength and presence of Ca2+ or SO42- ions have been studied. It has been concluded that at pH less than 7 and at concentration of suspended sediments (of common composition) less than 100 mg·1−1 ferric hydroxide and quartz have negligible effect on the state and migration of radium in surface waters. Radium adsorbed on quartz can be easily desorbed with dilute solutions of hydrochloric acid or sodium chloride.