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<p style="text-align: justify;">One pot non-emulsion based hydrothermal synthesis of urchin-shaped hydroxy sodalite using waste coal fly ash</p>

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Title Statement <p style="text-align: justify;">One pot non-emulsion based hydrothermal synthesis of urchin-shaped hydroxy sodalite using waste coal fly ash</p>
 
Added Entry - Uncontrolled Name Naskar, Milan Kanti; CSIR-Central Glass and Ceramic Research Institute
Das, Rituparna ; Sol-Gel Division, CSIR-Central Glass & Ceramic Research Institute, Kolkata 700 032, India
Aich, Subhajit ; Sol-Gel Division, CSIR-Central Glass & Ceramic Research Institute, Kolkata 700 032, India
 
Uncontrolled Index Term Synthetic and structural inorganic chemistry
Hydrothermal synthesis, Aluminosilicates, Sodalite, Hydroxy sodalite, Fly ash, Coal fly ash, Crystallization
 
Summary, etc. <p style="text-align: justify;">Urchin-shaped hydroxy sodalite particles have been synthesized by one pot non-emulsion based hydrothermal conversion of coal fly ash at 100 °C for 96 h in the absence of any surfactants. Crystallization behavior of the particles has been studied by X-ray diffraction, and the characteristic vibration bands of hydroxy sodalite were confirmed by FTIR spectroscopy. BET surface area of the particles are found to be 193, 197, 82 and 44 m<sup>2</sup> g<sup>-1</sup> for the reaction time of 24 h, 48 h, 72 h and 96 h, respectively. FESEM images revealed that the thread-ball-like particles are converted into urchin-shaped hydroxy sodalite with increasing reaction time from 24 h to 96 h at 100 °C. The elemental analysis of the product studied by EDX indicates the Si/Al and Na/Al ratios of 1.28<strong> </strong>and 1.03, respectively which is close to the stoichiometric composition of hydroxy sodalite.</p>
 
Publication, Distribution, Etc. Indian Journal of Chemistry -Section A (IJCA)
2020-10-29 11:16:02
 
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http://op.niscair.res.in/index.php/IJCA/article/view/16568
 
Data Source Entry Indian Journal of Chemistry -Section A (IJCA); ##issue.vol## 56, ##issue.no## 4 (2017): INDIAN JOURNAL OF CHEMISTRY - SECTION A
 
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Nonspecific Relationship Entry http://op.niscair.res.in/index.php/IJCA/article/download/16568/49623
 
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