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Barium oxalate; agar gel; XRD; IR; TGA/DTA.

Barium oxalate was grown in agar gel at ambient temperature. The effect of various parameters like gel concentration, gel setting time and concentration of the reactants on the growth of these crystals was studied. Prismatic platy shaped spherulites and dendrites were obtained. The grown crystals were characterized by X-ray powder diffractometry, infrared spectroscopy, thermogravimetric and differential thermal analysis. An attempt is made to explain the spherulitic growth mechanism.

P V Dalal¹ K B Saraf¹

1. PG Department of Physics, Pratap College, Amalner 425 401, India

Published

October 2006

Manuscript received

15 December 2005

Manuscript revised

22 May 2006