摘要
用差示FT -Raman和11BNMR光谱研究了MgB6O10 ·7 5H2 O、MgB4O7·9H2 O、Mg2 B6O10 ·1 5H2 O三种镁硼酸盐饱和和过饱和溶液的结构机理 ,其结果表明饱和溶液和过饱和溶液中均存在B(OH) 3 、B(OH) -4、B3 O3 (OH) -4、B5O6(OH) 4 -粒子。
Three kinds of supersaturated aqueous magnesium borate solutions were prepared.The differential FT-Raman and ()^(11)B NMR spectra of supersaturated and saturated aqueous magnesium borate solutions were recorded.The B(OH)_3,B(OH)^-_4,B_3O_3(OH)^-_4,and B_5O_6(OH)^-_4 were detected in supersaturated and saturated MgB_6O_(10)·7.5H_2O,MgB_4O_7·9H_2O,and Mg_2B_6O_(11)·15H_2O solutions.There were no simple crystallization mechanisms for these magnesium borates,complicated dynamic equilibria among the boron species in solutions existed during the precipitation of magnesium borates.
出处
《盐湖研究》
CSCD
2004年第3期26-30,共5页
Journal of Salt Lake Research
基金
SupportedbyNationalNaturalScienceFaundationofChinaforthisproject(2 97710 32 )
