ICCAS OpenIR
Effects of phosphate ion on the growth of aragonite whisker in heterogeneous precipitation from suspension of Ca(OH)(2)
He, EG; Shang, WY; Chen, ST
2000-12-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume29Issue:6Pages:398-402
AbstractAragonite whisker was synthesized by heterogeneous precipitation from Ca(OH)(2) suspension. The influences of accelerating agents, temperature and initial pH value on the growth of aragonite were studied. X-ray diffraction analysis was used to determine the content of aragonite of the final product. Shape and pattern of whiskers was observed by scanning electronic microscope (SEM). It has been found that the carbonation of Ca(OH)2 suspension is similar upon using phosphoric acid or soluble phosphates as accelerating agent. However, the contents of aragonite of the final products are much more upon using phosphoric acid or acidic agents. The suitable temperature for the growth of aragonite is from 298K to 348K, and the adequate initial pH value range is 8. 6-12 .4. By investigating the synergistic influence of Mg2+ and phosphate radical ion, it has been found that Mg2+ affects the growth of aragonite whisker much stronger than that of phosphate radical, ion.
KeywordCalcium Carbonate Aragonite Whisker Phosphate
Indexed BySCI
Language英语
WOS IDWOS:000166371800010
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/75604
Collection中国科学院化学研究所
Corresponding AuthorHe, EG
Affiliation1.Xian Jiao Tong Univ, State Key Lab Elect Insulat Power Equipment, Xian 710049, Peoples R China
2.Chinese Acad Sci, Inst Chem, State Key Lab Engn Plast, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
He, EG,Shang, WY,Chen, ST. Effects of phosphate ion on the growth of aragonite whisker in heterogeneous precipitation from suspension of Ca(OH)(2)[J]. RARE METAL MATERIALS AND ENGINEERING,2000,29(6):398-402.
APA He, EG,Shang, WY,&Chen, ST.(2000).Effects of phosphate ion on the growth of aragonite whisker in heterogeneous precipitation from suspension of Ca(OH)(2).RARE METAL MATERIALS AND ENGINEERING,29(6),398-402.
MLA He, EG,et al."Effects of phosphate ion on the growth of aragonite whisker in heterogeneous precipitation from suspension of Ca(OH)(2)".RARE METAL MATERIALS AND ENGINEERING 29.6(2000):398-402.
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