Acta Metallurgica Sinica (English Letters) ›› 1990, Vol. 3 ›› Issue (12): 431-434.

• Research paper • Previous Articles     Next Articles

ANIONIC SPECIES OF SiO_2-CONTAINING SODIUM ALUMINATE SOLUTIONS

LIU Miaoxiu ZHOU Peifang CHEN Nianyi Shanghai Institute of Metallurgy,Academia Sinica,Shanghai,ChinaLI Yu Shanghai University of Science and Technology,Shanghai,ChinaKE Jiajun Institute of Chemical Metallurgy,Academia Sinica,Beijing,China   

  • Received:1990-12-11 Revised:1990-12-11 Online:1990-12-11 Published:2009-10-10

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Abstract: The anionic species of the SiO_2-containing sodium aluminate solutions prepared by different methods have been investigated by Raman spectra and ultraviolet spectra.It was found that these solutions have different SiO_2-containing anions.The solution prepared by leaching in- dustrial sinter of soda-lime sintering process contains polvsilicate ions with Si-O-Si radicals.

Key words: silicate anion, sodium aluminate solution, Raman spectra

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