綠鏽 (化合物)
綠鏽(英語:Green rust)是一類含鐵(II)、鐵(III)混合價態氫氧化物的綠色晶體的總稱。這類晶體中,除了Fe2+、Fe3+和OH−外,還有可能有CO2−
3、Cl−
或SO2−
4等陰離子在其層狀雙氫氧化合物結構中,研究最多的物種有:[1]
- 綠鏽碳酸鹽 - GR(CO2−
3):[Fe2+
4Fe3+
2(HO−
)12]2+ · [CO2−
3·2H
2O]2−.[2][3][4][5] - 綠鏽鹽酸鹽 - GR(Cl−
):[Fe2+
3Fe3+
(HO−
)8]+ · [Cl−
·nH
2O]−.[4][5][6] - 綠鏽硫酸鹽 - GR(SO2−
4):[Fe2+
4Fe3+
2(HO−
)12]2+ · [SO2−
4·2H
2O]2−.[5][7][8]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/df/Green_rust_from_FeSO4.jpg/220px-Green_rust_from_FeSO4.jpg)
製備
編輯綠鏽可由含Fe(II)的溶液在SO42-、CO32-或Cl-等離子的存在下,用氧化劑(如空氣、過氧化氫等)氧化,再用NaOH沉澱得到。[12]
用途
編輯綠鏽可用於一些有機物的降解。[13]
參考文獻
編輯- ^ 1.0 1.1 J.-M. R. Génin, Ph. Refait, L. Simon, and S. H. Drissi (1998): "Preparation and Eh-pH diagrams of Fe(II)-Fe(III) green rust compounds; hyperfine interaction characteristics and stoichiometry of hydroxy-chloride, -sulphate and –carbonate". Hyperfine Interactions, volume 111, pages 313-318. doi:10.1023/A:1012638724990
- ^ 2.0 2.1 P. P. Stampfl (1969): "Ein basisches Eisen II-III Karbonat in Rost. Corrosion Science 9, pages 185-187.
- ^ Hans C. B. Hansen (1989): "Composition, stabilization, and light absorption of Fe(II)Fe(III) hydroxy-carbonate ('green rust')". Clay Minerals, volume 24, pages 663-669. doi:10.1180/claymin.1989.024.4.08
- ^ 4.0 4.1 M. Abdelmoula, Ph. Refait, S. H. Drissi, J. P. Mihe, and J.-M. R. Génin (1996): "Conversion electron Mössbauer spectroscopy and X-ray diffraction studies of the formation of carbonate-containing green rust one by corrosion of metallic iron in NaHCO3 and (NaHCO3 + NaCl) solutions". Corrosion Science, volume 38, pages 623-633. doi:10.1016/0010-938X(95)00153-B
- ^ 5.0 5.1 5.2 M. Abdelmoula, F. Trolard, G. Bourrié and J.-M. R. Génin (1998): "Evidence of the Fe(II)–Fe(III) green rust `fougerite' mineral occurrence in a hydromorphic soil and its transformation with depth". Hyperfine Interactions, volume 111, pages 231-238. doi:10.1023/A:1010802508927
- ^ W. Feitknecht and G. Keller (1950): "Über die dunkelgrünen Hydroxyverbindungen des Eisens". Zeitschrift für anorganische und allgemeine Chemie, volume 262, pages 61-68. doi: 10.1002/zaac.19502620110
- ^ 7.0 7.1 7.2 J. D. Bernal, D. R. Dasgupta, and A. L. Mackay (1959): "The oxides and hydroxides of iron and their structural inter-relationships". Clay Minerals Bulletin, volume 4, pages 15-30. doi:10.1180/claymin.1959.004.21.02
- ^ J.-M. R. Génin, A. A. Olowe, B. Resiak, N. D. Benbouzid-Rollet, M. Confente and D. Prieur (1993): "Identification of sulphated green rust 2 compound produced as a result of microbially induced corrosion of steel sheet piles in harbour". In Marine Corrosion of Stainless Steels: Chlorination and Microbial Effects, European Federation Corrosion Series, The Institute of Materials, London; volume 10, pages 162-166.
- ^ L. Vins, J. Subrt, V. Zapletal, and F. Hanousek (1987): "Preparation and properties of green rust type substances". Collect. Czech. Chem. Comm. volume 52, pages 93-102.
- ^ J. R. Gancedo, M. L. Martinez, and J. M. Oton (1983): "Formación de 'herrumbre verde' en soluciones de NH4NO3" (= "Formation of green rust in NH4NO3 solutions"). Anales de Química, Série A, volume 79, pages 470-472.
- ^ P Refait, L Simon, J-M R Génin. Reduction of SeO42- Anions and Anoxic Formation of Iron(II)−Iron(III) Hydroxy-Selenate Green Rust. Environ. Sci. Technol., 2000, 34 (5), pp 819–825 DOI: 10.1021/es990376g
- ^ 陳英, 吳德禮, 張亞雷 等. 綠鏽的結構特徵與反應活性 (頁面存檔備份,存於網際網路檔案館)[J]. 化工學報, 2014
- ^ 徐楠楠,阮秀秀. 有機綠鏽對水體有機污染物的降解去除. 全國環境化學學術大會, 2013