Good quality single crystals of Ammonium picronitrate (APN) were successfully grown by slow evaporation method. Investigation on solubility studies have been made in the temperature range of 30-50 °C in steps of 5 °C. Metastable zone width was determined by employing conventional polythermal method.

Kalainathan S

Department of Physics

School of Advanced Sciences

Vellore Campus

H. Redrothu

Vellore Institute of Technology (VIT) is a private university located in&nbsp;Tamil Nadu, India. Founded in 1984, as Vellore Engineering College, the institution offers 20 undergraduate, 34 postgraduate, four integrated and four research programs. It has campuses in Vellore, Amravati, Bhopal and Chennai.

VIT is one of the top ranked private universities in India according to NIRF, THE and QS Rankings.&nbsp;Govt. of India has recognized&nbsp;VIT, Vellore as an&nbsp;Institution of Eminence. This has allowed VIT to take independent quality initiatives and move up in world ranking.

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Journal	International Journal of ChemTech Research
Publisher	Sphinx Knowledge House
ISSN	09744290