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Method of isolating humic acid.

Osumanu Haruna Ahmed. (2009) Method of isolating humic acid.

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Abstract

The present invention is a simple, rapid and cost-effective ,method of isolating humic acids from organic and inorganic materials. The method comprises the steps of: (a) dissolving a humic acid containing substance in an alkaline solution; (b) subjecting the mixture of humic acid containing substance and alkaline solution to centrifugation to obtain a supernatant layer as a precipitate layer; (c) reacting the precipitate layer with an acidic solution to obtain a suspension layer containing humic acid; (d) subjecting the suspension layer containing humic acid to centrifugation to obtain a precipitate; (e) washing the precipitate with distilled water, thus obtaining a purified humic acid extract.

Item Type:Patent
Keyword:Humic acids; Organic; Inorganic.
Faculty or Institute:Faculty of Agriculture and Food Sciences
ID Code:26586
Deposited By: Mastura Yapandi
Deposited On:06 Nov 2013 08:59
Last Modified:22 Sep 2014 16:34

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