ii

ANNA UNIVERSITY OF TECHNOLOGY

COIMBATORE 641 047

CERTIFICATE

This is to certify that all corrections and suggestions pointed out by the

Examiners are incorporated in the thesis entitled “SYNTHESIS OF Al2O3,

ZrO2 AND TiO2 NANOPARTICLES FROM NATURAL MINERALS

FOR INDUSTRIAL APPLICATIONS” submitted by

Mr. P. Manivasakan, Ph.D. Scholar (Reg. No. 4086012113).

SIGNATURE

Dr. V. RAJENDRAN

SUPERVISOR

Director, R&D

Centre for Nano Science and Technology

K. S. Rangasamy College of Technology

Tiruchengode - 637 215

Tamil Nadu, India

Place : Tiruchengode

Date : 23-07-2012

iv

ANNA UNIVERSITY OF TECHNOLOGY

COIMBATORE 641 047

BONAFIDE CERTIFICATE

Certified that this thesis titled “SYNTHESIS OF Al2O3, ZrO2 AND TiO2

NANOPARTICLES FROM NATURAL MINERALS FOR INDUSTRIAL

APPLICATIONS” is the bonafide work of Mr.MANIVASAKAN.P who

carried out the research under my supervision. Certified further that to the best of

my knowledge the work reported herein does not form part of any other thesis or

dissertation on the basis of which a degree or diploma was conferred on an

earlier occasion of this or any other candidate.

SIGNATURE SIGNATURE

P. MANIVASAKAN Dr. V. RAJENDRAN

RESEARCH SCHOLAR SUPERVISOR

Director, R&D

Centre for Nano Science and Technology

K. S. Rangasamy College of Technology

Tiruchengode - 637 215

Tamil Nadu, India