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Synthesis, characterization and catalytic properties of monodispersed nano-sphere silica sulfuric acid

✍ Scribed by Zolfigol, M.A.; Khazaei, A.; Mokhlesi, M.; Derakhshan-Panah, F.

Book ID
120012547
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
846 KB
Volume
370
Category
Article
ISSN
1381-1169

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Tungstate sulfuric acid: preparation, ch
Tungstate sulfuric acid: preparation, characterization, and application in catalytic synthesis of novel benzimidazoles
✍ Karami, Bahador; Khodabakhshi, Saeed; Haghighijou, Zahra πŸ“‚ Article πŸ“… 2012 πŸ› Versita 🌐 English βš– 222 KB

## Abstract Tungstate sulfuric acid (TSA) was prepared, characterized, and applied for direct synthesis of novel and known benzimidazoles through a condensation reaction of o-phenylenediamines with orthoesters under solvent-free conditions. TSA was characterized by powdered X-ray diffraction (XRD),