Acta Metallurgica Sinica (English Letters) ›› 1992, Vol. 5 ›› Issue (9): 224-226.

• Research paper • Previous Articles     Next Articles

RAMAN SPECTRA OF SODIUM ALUMINATE SOLUTIONS WITH HIGH-CAUSTIC RATIO AND HIGH CONCENTRATION

LIU Miaoxiu CAO Yilin CHEN Nianyi Shanghai Institute of Metallurgy,Academia Sinica,Shanghai,ChinaZHUANG Zhicheng Shanghai Jiaotong University,Shanghai,China Professor,Shanghai Institute of Metallurgy,Academia Sinica,Shanghai 200050,China   

  • Received:1992-09-11 Revised:1992-09-11 Online:1992-09-11 Published:2009-10-10

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Abstract: The constitution of high-caustic ratio and highly concentrated sodium aluminate solutions has been investigated by Raman spectra method.By comparison with the Raman spectra of crystalline solids of Ca_3[Al(OH)_6]_2 and Ba_2[Al_2(OH)_(10)],it can be concluded that AI(OH)_6~(3-)ion and perhaps its polymers may be formed in these solutions.

Key words: high caustic ratio, sodium aluminate solution, Raman spectra

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