PREPARATION AND CHARACTERIZATION OF COLLOIDAL SILICA IN ALKALINE AND CONSTANT RANGE OF P.H.

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KARAMI ASGHAR; VAHDANI GH.R.; ABEDI MOHAMMAD; FATAHI M.

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ISSN: 2588-4824

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Journal: Iranian Journal of Chemistry and Chemical Engineering Year:2008 | Volume:27 | Issue:4 Page(s): 65-70

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Title

PREPARATION AND CHARACTERIZATION OF COLLOIDAL SILICA IN ALKALINE AND CONSTANT RANGE OF P.H.

Author(s)

KARAMI ASGHAR | VAHDANI GH.R. | ABEDI MOHAMMAD | FATAHI M. | Issue Writer Certificate

Keywords

COLLOIDAL SILICA

SOL-GEL CHEMISTRY

SURFACE AREA

PARTICLE SIZE

Abstract

In this study, alkaline COLLOIDAL SILICA was prepared by titration of an alkaline solution such as sodium silicate with silicic acid in constant range of pH .This constant range of pH was achieved by using concentrated soduim silicate solutions as pH adjusting solutions during titration.The sodium silicate solutions having a variety of concentrations were passed through ionexchange resin to prepare the silicic acid solutions. Various effective parameters on the method were investigated. In this research, the results show the mean PARTICLE SIZE and SURFACE AREA of prepared COLLOIDAL SILICA are influenced by formation temperature, titration rate, silicic acid and alkaline solutions concentration. Low titration rate of slicic acid, high formation temperature and low concentration of silicic acid and alkaline solution would help the particle growth to form the larger PARTICLE SIZE of COLLOIDAL SILICA.

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APA: Copy

KARAMI, ASGHAR, VAHDANI, GH.R., ABEDI, MOHAMMAD, & FATAHI, M.. (2008). PREPARATION AND CHARACTERIZATION OF COLLOIDAL SILICA IN ALKALINE AND CONSTANT RANGE OF P.H.. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 27(4), 65-70. SID. https://sid.ir/paper/560912/en

Vancouver: Copy

KARAMI ASGHAR, VAHDANI GH.R., ABEDI MOHAMMAD, FATAHI M.. PREPARATION AND CHARACTERIZATION OF COLLOIDAL SILICA IN ALKALINE AND CONSTANT RANGE OF P.H.. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2008;27(4):65-70. Available from: https://sid.ir/paper/560912/en

IEEE: Copy

ASGHAR KARAMI, GH.R. VAHDANI, MOHAMMAD ABEDI, and M. FATAHI, “PREPARATION AND CHARACTERIZATION OF COLLOIDAL SILICA IN ALKALINE AND CONSTANT RANGE OF P.H.,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 27, no. 4, pp. 65–70, 2008, [Online]. Available: https://sid.ir/paper/560912/en

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