Volume & Issue: Volume 1, Issue 2, December 2011, Pages 51-104 
Nano silica chromic acid/wet SiO2 and NaNO2 as an efficient reagent system for synthesis of azo dyes based on 1-naphthol at room temperature and solvent-free conditions

Pages 51-54

Abdolhamid Bamoniri; Bi Bi Fatemeh Mirjalili; Arash Ghorbani-Choghamarani; Mohammad E. Yazdanshenas; Abbas Shayanfar; Ahmad Akbari