How to use Charcoal to decolurise a material

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usant...@gmail.com

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Sep 3, 2013, 4:52:51 AM9/3/13
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How to use Charcoal to decolourise a material, in presence of high flowing supercell

ak10...@gmail.com

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Nov 28, 2013, 5:56:54 AM11/28/13
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mijan.ra...@gmail.com

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Jul 7, 2014, 6:44:38 AM7/7/14
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Make solution of color material.keep the charcoal in a filter paper .pour the color solution through filter paper
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