Fig. 5From: Crosslinked sulfonated polyacrylamide (Cross-PAA-SO3H) tethered to nano-Fe3O4 as a superior catalyst for the synthesis of 1,3-thiazolesThe XRD pattern of (a) Cross-PAA-SO3H, (b) Fe3O4 and (c) Cross-PAA-SO3H@nano-Fe3O4Back to article page