Liesegang banding and multiple precipitate formation in cobalt phosphate systems

被引：25

作者：

Karam, Tony ^{[1
]}

El-Rassy, Houssam ^{[1
]}

Zaknoun, Farah ^{[1
]}

Moussa, Zeinab ^{[1
]}

Sultan, Rabih ^{[1
]}

机构：

[1] Amer Univ Beirut, Dept Chem, Beirut, Lebanon

来源：

CHEMICAL PHYSICS LETTERS | 2012年 / 525-26卷

关键词：

INDUCED SPATIAL BIFURCATION; HGCL2-KI SYSTEM; CHEMICAL WAVES;

D O I：

10.1016/j.cplett.2011.12.048

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We study a cobalt phosphate Liesegang pattern from cobalt(II) and phosphate ions in a 1D tube. The system yields a complex, multi-component pattern. Characterization of the different precipitates by FTIR, SEM and XRD reveals that they are cobalt phosphate polymorphs with different degrees of hydration. (C) 2012 Elsevier B.V. All rights reserved.

引用

收藏

页码：54 / 59

页数：6

相关论文

共 30 条

[1] Front propagation in patterned precipitation.: 1.: Simulation of a migrating Co(OH)2 Liesegang pattern [J].

Al-Ghoul, M ;

Sultan, R .

JOURNAL OF PHYSICAL CHEMISTRY A, 2001, 105 (34) :8053-8058

[2]

Andreev S., 1960, ZH STRUKT KHIM, V1, P183

[3]

[Anonymous], 1980, Infrared Characteristic Group Frequencies

[4] Synthesis and characterization of different nanostructures of cobalt phosphate [J].

Badsar, M. ;

Edrissi, M. .

MATERIALS RESEARCH BULLETIN, 2010, 45 (09) :1080-1084

[5] Required but disguised:: Environmental signals in limestone-marl alternations [J].

Böhm, F ;

Westphal, H ;

Bornholdt, S .

PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 2003, 189 (3-4) :161-178

[6]

Burgess J., 1999, Ions in Solution: Basic Principles of Chemical Interactions

[7] The characterization of cobalt violet pigments [J].

Corbeil, MC ;

Charland, JP ;

Moffatt, EA .

STUDIES IN CONSERVATION, 2002, 47 (04) :237-249

[8] NEW RESULTS ON LIGHT-INDUCED SPATIAL BIFURCATION AND ELECTRICAL-FIELD EFFECT ON CHEMICAL WAVES IN THE HGCL2-KI SYSTEM IN GEL MEDIA [J].

DAS, I ;

PUSHKARNA, A ;

BHATTACHARJEE, A .

JOURNAL OF PHYSICAL CHEMISTRY, 1990, 94 (26) :8968-8973

[9] DYNAMIC INSTABILITY AND LIGHT-INDUCED SPATIAL BIFURCATION OF HGI2 AND EXTERNAL ELECTRIC-FIELD EXPERIMENTS IN 2-DIMENSIONAL GEL MEDIA [J].

DAS, I ;

PUSHKARNA, A ;

BHATTACHARJEE, A .

JOURNAL OF PHYSICAL CHEMISTRY, 1991, 95 (09) :3866-3873

[10] CHEMICAL WAVES AND LIGHT-INDUCED SPATIAL BIFURCATION IN THE HGCL2-KI SYSTEM IN GEL MEDIA [J].

DAS, I ;

PUSHKARNA, A ;

AGRAWAL, NR .

JOURNAL OF PHYSICAL CHEMISTRY, 1989, 93 (20) :7269-7275