CHARACTERIZATION OF CACO3 NANOPARTICLES SYNTHESIZED BY REVERSE MICROEMULSION TECHNIQUE IN DIFFERENT CONCENTRATIONS OF SURFACTANTS

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GHADAMI JADVAL GHADAM ABOUTALEB; IDREES MOHAMMAD

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Journal Paper

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Journal: Iranian Journal of Chemistry and Chemical Engineering Year:2013 | Volume:32 | Issue:3 (67) Page(s): 27-35

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Title

CHARACTERIZATION OF CACO3 NANOPARTICLES SYNTHESIZED BY REVERSE MICROEMULSION TECHNIQUE IN DIFFERENT CONCENTRATIONS OF SURFACTANTS

Author(s)

GHADAMI JADVAL GHADAM ABOUTALEB | IDREES MOHAMMAD | Issue Writer Certificate

Keywords

CALCIUM CARBONATE

REVERSE MICRO-EMULSION TECHNIQUE

CO-SURFACTANT

OPTICAL PROPERTIES

PARTICLE MORPHOLOGY

Abstract

CALCIUM CARBONATE nano-particles were synthesized by a reverse micro-emulsion method at room temperature with Tween® 80 and Span® 80 as CO-SURFACTANTs. The nano-particles synthesized were surface modified by stearic acid. An important operating variable in the Span 80-Tween 80/toluene/water reverse micro-emulsion system, the w-value (water/surfactant molar ratio) was investigated. The material was characterized by SEM, TEM, X-Ray Diffraction (XRD), FT-IR, UV-VIS and TGA/DTA techniques. The size of the nano-particles was determined by TEM as well as XRD data for various concentrations of surfactants. The results showed that the size of the nano-particles was influenced by the concentration of the surfactants in the micro-emulsion system. The XRD analysis at room temperature showed single phase formation of calcite. FT-IR confirmed the formation of calcite with characteristic absorption bands observed at 712, 881 and 1460 cm-1, corresponding to v4, v2, and v3 modes of CO3-2 absorption bands of calcite. The results of the UV-VIS spectrophotometric analysis indicated that the calcite (CaCO3) is an indirect gap material [(5.60 eV (30 wt. % surfactant), 5.40 eV (36 wt. % surfactant) and 5.36 eV (42 wt. % surfactant)] at room temperature.

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APA: Copy

GHADAMI JADVAL GHADAM, ABOUTALEB, & IDREES, MOHAMMAD. (2013). CHARACTERIZATION OF CACO₃ NANOPARTICLES SYNTHESIZED BY REVERSE MICROEMULSION TECHNIQUE IN DIFFERENT CONCENTRATIONS OF SURFACTANTS. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 32(3 (67)), 27-35. SID. https://sid.ir/paper/617383/en

Vancouver: Copy

GHADAMI JADVAL GHADAM ABOUTALEB, IDREES MOHAMMAD. CHARACTERIZATION OF CACO₃ NANOPARTICLES SYNTHESIZED BY REVERSE MICROEMULSION TECHNIQUE IN DIFFERENT CONCENTRATIONS OF SURFACTANTS. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2013;32(3 (67)):27-35. Available from: https://sid.ir/paper/617383/en

IEEE: Copy

ABOUTALEB GHADAMI JADVAL GHADAM, and MOHAMMAD IDREES, “CHARACTERIZATION OF CACO₃ NANOPARTICLES SYNTHESIZED BY REVERSE MICROEMULSION TECHNIQUE IN DIFFERENT CONCENTRATIONS OF SURFACTANTS,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 32, no. 3 (67), pp. 27–35, 2013, [Online]. Available: https://sid.ir/paper/617383/en

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