00387nam a2200097Ia 4500008004100000041000800041100003400049245011400083260005000197650004200247191203s9999    xx            000 0 und d  aeng  aGangodawilage Hansani Dilhani 0aRemoval of Rhodamine B from waste water by  amorphous silica and silica nano particles generated by rice husk  aInstitiute of Chemistri CeylonbColomboc2019  a"Seminar Reports ,Dissertations,2019"