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Submitted on: 12 April 2002.
Revised on: 02 July 2002.
Accepted on: 16 July 2002.
___________________Applied Chemistry for Engineering
Submitted on: 25 March 2008.
Revised on: 04 July 2008.
Accepted on: 22 August 2008.
___________________Applied Chemistry for Engineering
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Submitted on: 19 March 2017.
Revised on: 12 May 2017.
Accepted on: 24 May 2017.
___________________Applied Chemistry for Engineering
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Submitted on: 05 July 2016.
Revised on: 28 July 2016.
Accepted on: 21 August 2016.
___________________Applied Chemistry for Engineering