Fig. 3
From: Mesoporous SBA-16/SO3H from waste sugarcane bagasse ash for efficient Biginelli reactions

Small-angle X-ray diffraction patterns of SBA-16 and SBA-16/SO3H.
From: Mesoporous SBA-16/SO3H from waste sugarcane bagasse ash for efficient Biginelli reactions

Small-angle X-ray diffraction patterns of SBA-16 and SBA-16/SO3H.