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Polyborates in Aqueous Sodium Borate Solution at 298.15 K
Zhou, Y. Q.; Fang, C. H.; Fang, Y.; Zhu, F. Y.; Cao, L. D.
2012
Source PublicationASIAN JOURNAL OF CHEMISTRY
ISSN0970-7077
Volume24Issue:1Pages:29-32
SubtypeArticle
AbstractpH of aqueous sodium metaborate and pentaborate solutions were precisely measured as functions of concentration from dilute to supersaturation at 298.15 K. Coupling with Raman spectra of some super-saturation samples, a clear picture of the main polyborates and their equilibria was presented. At least five polyborates B(OH)(3), B(OH)(4)(-), B3O3(OH)(4)(-), B4O5(OH)(4)(2-) and B5O6(OH)(4-) exist in aqueous sodium borate solutions. In supersaturated aqueous sodium pentaborate solutions B5O6(OH)(4)(-), B3O3(OH)(4)(-) and B(OH)(3) are the main polyborates, B(OH)(4)(-), B4O5(OH)(4)(2-) present in a minor concentration. While, in aqueous sodium metaborate solutions, covering all the concentration range, B(OH)(4)(-) is the most important species other polyborate anions are less than 5 %. Relevant interactions mechanisms among polyborates were also suggested.
KeywordPolyborstes Ft-raman Spectra Aqueous Sodium Borate Solutions Ph Distribution
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordRAMAN-SPECTROSCOPIC ANALYSIS ; EQUILIBRIA ; POLYANIONS ; SPECTRA
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000300463900007
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/2082
Collection青海盐湖研究所知识仓储
盐湖资源与化学实验室
AffiliationChinese Acad Sci, Qinghai Inst Salt Lakes, CAS Key Lab Salt Lake Resources & Chem, Xining 810008, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Y. Q.,Fang, C. H.,Fang, Y.,et al. Polyborates in Aqueous Sodium Borate Solution at 298.15 K[J]. ASIAN JOURNAL OF CHEMISTRY,2012,24(1):29-32.
APA Zhou, Y. Q.,Fang, C. H.,Fang, Y.,Zhu, F. Y.,&Cao, L. D..(2012).Polyborates in Aqueous Sodium Borate Solution at 298.15 K.ASIAN JOURNAL OF CHEMISTRY,24(1),29-32.
MLA Zhou, Y. Q.,et al."Polyborates in Aqueous Sodium Borate Solution at 298.15 K".ASIAN JOURNAL OF CHEMISTRY 24.1(2012):29-32.
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