Volume 10, Number 4 (december 2013)                   IJMSE 2013, 10(4): 43-48 | Back to browse issues page


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N. Kumpawat, A. Chaturvedi, R. K. Upadhyay. COMPARATIVE STUDY OF CORROSION INHIBITION EFFICIENCY OF NATURALLY OCCURRING ECOFRIENDLY VARIETIES OF HOLY BASIL (TULSI) FOR TIN IN HNO3 SOLUTION. IJMSE. 2013; 10 (4) :43-48
URL: http://ijmse.iust.ac.ir/article-1-606-en.html

Abstract:   (51026 Views)
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 (EB), ocimum cannum (EC) and ocimum sanctum (ES). The results show that all the varieties under study are good corrosion inhibitors, among which leaves extract of EB 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 95.83% for tin in 3.0 M HNO3 solution, with 0.6% leaves extract whereas it was 81.25% in same concentration of HNO3 solution for stem extract
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