N. RAMAMURTHY, S. KANNAN

Department of physics, Annamalai University, Annamalai Nagar – 608002, Tamil Nadu, India

Abstract. FT-IR spectroscopy is used to reveal some qualitative aspects regarding the organic compounds in a plant Calotropis gigantea Linn collected from an industrial area. Several indicator bands that are pertained to functional groups represent chemical components or metabolic products. The application of infrared (IR) spectroscopy in plant analysis is still limited compared to its applications in other areas. In this article FT-IR spectrum is able to predict the main chemical constituents in plant materials and also able to compare the quantitative differences among the similar samples.

Corresponding author’s e-mail: #profram_phy@rediffmail.com

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