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Application of polarisation technique for studying the corrosion behaviour of tinplate with some fruit products.

Mahadeviah, M. and Eipeson, W. E. and Balakrishnan, K. and Sastry, L. V. L. (1975) Application of polarisation technique for studying the corrosion behaviour of tinplate with some fruit products. Journal of Food Science and Technology, India, 12 (5). 234-237, 13 ref..

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Abstract

The corrosion behaviour of tinplate of various Sn coating thicknesses (0.25-1.0 lb/base box) and 2 different grain size structures with (i) Badami mango nectar and (ii) Coorg mandarin orange juice, both 15 degree Brix and 0.5% acidity, was studied using a polarisation technique. Badami mango pulp was fractionated, and the corrosion caused was shown to decrease in the following order of environment: organic acid, sugar • organic acid, amino acid, and sugar. The corrosive activity of pure organic acids decreased in the order: oxalic, citric, succinic, citric • malic • succinic, and malic. Corrosion resistance to (i) and (ii) increased with increasing wt. of Sn coating, and also with larger grain size of Sn coating. The agreement of polarization data with direct corrosion tests indicates that the method can be used for rapid qualitative evaluation of tinplate for different food products.

Item Type: Article
Uncontrolled Keywords: TIN-PLATE-; mandarin juices, tin-plate corrosion polarization detn. by; MANGOES-; tin-plate corrosion polarization detn. by mango nectars; POLARIZATION-; mango nectars, tin-plate corrosion polarization detn. by; NECTARS-; CORROSION-; MANDARINS-; tin-plate corrosion polarization detn. by mandarin juices; CITRUS-JUICES
Subjects: 600 Technology > 05 Chemical engineering > 07 Metal Corrosion
600 Technology > 08 Food technology > 24 Fruits
600 Technology > 08 Food technology > 18 Processed foods
Divisions: Fruit and Vegetable Technology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 18 Mar 2010 11:18
Last Modified: 18 Mar 2010 11:18
URI: http://ir.cftri.com/id/eprint/3075

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