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)

Received: 2016-05-31 Accepted : 2016-05-31 Published : 2012-05-01

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