Phosphosulfonic acid as an soild acid supported on nanosilica extracted from rice husk in Polyhydroqinilion Synthesis
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Raziye Najafi Birgani
1
(Department of chemistry, College of Science, Khouzestan Science and Research Branch, Islamic Azad University, Ahvaz, Iran)
AliReza Kiasat
2
(Department of chemistry, College of Science, Khouzestan Science and Research Branch, Islamic Azad University, Ahvaz, Iran)
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