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海水中液-固界面上负离子分级交换吸附研究──Ⅰ.E(%)-pH关系曲线和新的N-型曲线

, PP. 48-53

Keywords: 钼(Ⅵ),固/液界面,交换吸附

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Abstract:

本文研究了海水中钼(Ⅵ)与粘土矿物(高岭石、蒙脱石)、水合氧化铁(赤铁矿、无定形氧化铁)和水合氧化锰(水锰矿、δ-MnO2)相互作用的交换百分率E(%)-pH曲线.钼在这三类固体粒子上的E(%)-pH曲线分别为新发现的N-型曲线,以及峰型和反S型曲线.其中N-型曲线在负离子交换吸附文献中尚未见报道,本文提出用“静电交换和分级离子/配位子交换共同作用”的观点作理论解释.峰型和反S型E(%)-pH曲线可用固-液界面上负离子交换吸附作用解释.钼(Ⅵ)在这三类粒子上的交换能力顺序为:水合氧化锰>水合氧化铁>粘土矿物.

References

[1]  Reisenaner H M,A A I_abikh and P R Slant.Molvbdcnium reactions with soils and hydrous oxide,of iron aluminum and titarium.Soil Sci.Soc.Am.Pruc.,1960.6,23-27
[2]  Theng B K G.Adsorption of molybdate by some crystalline and amorphous soil clays.N.Z.J.Sci.,1971,14,1040~1056
[3]  Zhang Zhengbin and Liu Liangsheng.Theory of interfacial stepwise ion/coordination particle exchange and its applications.China Ocean Press,Beijing,1985,365
[4]  Cha Ki Won and Choi Jae Seony.Study of the eluUOn behavior of molybdate and tungstate in both hydarochloric and perchloric and by anion exchange chromatography.Bull Korean Chem.Soc,1981,2,37-41
[5]  Cha Ki Won and Choi Jae Seony.Study on the elution behaviors of molybdate and tungstate in nitric acid solution by anion exchange chromatography.Jachan Hwahakhoe Chi,1984,28,54-61
[6]  Cruyafen J J and J B B Heyus.Equilibria and U V speetra of mono-and polynuclear molyddenium(Ⅵ)specias.Inorg.Chem.,1987,26,2569-2572
[7]  张正斌,刘莲生,海洋物理化学,北京:科学出版社,1989,811
[8]  Berrang P U and E V Grill.The oflect of manganese oxide scavenging on molybdenium in saunich znlet.Mar.Chem.,1974,2,125-148
[9]  White R E.Retention and release of phosphate by soil and soil constituents.Soil Agric.,1980,2,91-114
[10]  Motta M M,R C Micranda.Adsorption of molybdale by clay minerals,I.Kaolinite.Rev.Port.Qutm.,1985,27,505-510
[11]  de Villiess J M and M L Jackson.Canon exchange capacity variations with pH in soil clays.Soil Sci.Soc.Am.Proc.,1967,31.473-476
[12]  Cronan D S.Manganese nodules and other ferro-manganese oxide deposits.Chemical Oceanography,1976.5,217-263

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