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Paper Information

Journal:   JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT)   SUMMER 2007 , Volume 33 , Number 2 (SECTION: CHEMISTRY); Page(s) 39 To 45.
 
Paper: 

PHASE TRANSITION OF NATURAL CLINOPTILOLITE TO ANALCIME AT PRESENCE OF ALKALINE SOLUTION

 
 
Author(s):  TOUTI F.*, KHARAMESH M., BADIEI A.R., BARGHI MOHAMMAD ALI
 
* SCHOOL OF GEOLOGY, UNIVERSITY COLLEGE OF SCIENCES, UNIVERSITY OF TEHRAN, TEHRAN, IRAN
 
Abstract: 

Clinoptiloite transforms to analcime under hydrothermal condition in presence of alkaline fluids. The effect of Na+ and K+ concentrations, temperature and run duration are being considered as the variable parameters in the present study. Alkaline solutions were used in concentration of 1.25 up to 7.5mol/lit under temperatures of 100 and 150˚C. Results of this study show that analcime is synthesized at 150ºC and high concentration of Na+. With increasing Na+ content of the fluids and reaction time, the amount of analcime increases drastically.  Powder X-ray diffraction study has revealed an orthorhombic symmetry with the unit-cell parameter of a: 13.731 Å, b: 13.726 Å, c: 13.769 Å.

 
Keyword(s): CLINIPTILOLITE, ANALCIME, HYDROTHERMAL SYNTHESIS, ALKALINE SOLUTION
 
 
References: 
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Citations: 
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APA: Copy

TOUTI, F., & KHARAMESH, M., & BADIEI, A., & BARGHI, M. (2007). PHASE TRANSITION OF NATURAL CLINOPTILOLITE TO ANALCIME AT PRESENCE OF ALKALINE SOLUTION. JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT), 33(2 (SECTION: CHEMISTRY)), 39-45. https://www.sid.ir/en/journal/ViewPaper.aspx?id=104401



Vancouver: Copy

TOUTI F., KHARAMESH M., BADIEI A.R., BARGHI MOHAMMAD ALI. PHASE TRANSITION OF NATURAL CLINOPTILOLITE TO ANALCIME AT PRESENCE OF ALKALINE SOLUTION. JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT). 2007 [cited 2021June25];33(2 (SECTION: CHEMISTRY)):39-45. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=104401



IEEE: Copy

TOUTI, F., KHARAMESH, M., BADIEI, A., BARGHI, M., 2007. PHASE TRANSITION OF NATURAL CLINOPTILOLITE TO ANALCIME AT PRESENCE OF ALKALINE SOLUTION. JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT), [online] 33(2 (SECTION: CHEMISTRY)), pp.39-45. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=104401.



 
 
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