Comparative Study of Corrosion Inhibition Efficiency of Naturally Occurring Ecofriendly Varieties of Holy Basil (Tulsi) for Tin in HNO3 Solution - Open Journal of Metal

OJMetal > Vol.2 No.3, September 2012

Volume 2, Issue 3 (September 2012)

ISSN Print: 2164-2761 ISSN Online: 2164-277X

Google-based Impact Factor: 0.22 Citations

Comparative Study of Corrosion Inhibition Efficiency of Naturally Occurring Ecofriendly Varieties of Holy Basil (Tulsi) for Tin in HNO₃ Solution ()

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DOI: 10.4236/ojmetal.2012.23010 5,620 Downloads 10,492 Views Citations

Author(s)

Nutan Kumpawat, Alok Chaturvedi, Rajesh Kumar Upadhyay

Affiliation(s)

Synthetic and Surface Science Laboratory, Department of Chemistry.

ABSTRACT

Weight loss technique has been used to study the corrosion inhibition efficiency of tin in HNO₃ solution by using the leaves and stem extract of different varieties of Holy Basil viz. ocimum basilicum (E_B),, ocimum cannum (E_C) and ocimum sanctum (E_S). The results show that all the varieties under study are good corrosion inhibitors, among which leaves extract of E_B is the most effective. Corrosion inhibition efficiency increases with increasing concentration of inhibitor and it also increases with increasing concentration of HNO₃ solution. Inhibition efficiency was found maximum up to 96.19% for tin in with 0.6% leaves extract.

KEYWORDS

Acid Solution; Inhibitors; Tin Metal, Weight Loss; Surface Coverage

Share and Cite:

Kumpawat, N. , Chaturvedi, A. and Upadhyay, R. (2012) Comparative Study of Corrosion Inhibition Efficiency of Naturally Occurring Ecofriendly Varieties of Holy Basil (Tulsi) for Tin in HNO₃ Solution. Open Journal of Metal, 2, 68-73. doi: 10.4236/ojmetal.2012.23010.

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