March 18, 2010
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Smudged print in a laser printer is normally a sign of a failure in the fusing section. If the fusing roller's temperature, or pressure, is not sufficient to bond the toner to the page, the print will smudge when touched. Examine the fuser unit, the power supply, and the fusing roller's heating unit.
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Saturday, April 26, 2008
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Laser Printer
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Data Encoder
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The superiority of TLC over paper chromatography because of inorganic nature of adsorbent concentrated
sulfuric acid spray followed by heating may be used to develope on the chromatogram by charring.
moreover aminoacid mixtures which require 18 hours for seperation on paper require 3 hrs using cellulose TLC.
advantage also lies in choice of adsobents which allow seperation not possible on paper.
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Thursday, March 20, 2008
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biotech, TLC, chromatography
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biotech
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313
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It is known as Pyrolysis.

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Saturday, November 03, 2007
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laboratory, organic compound, simpler compounds, heating, high temperature, Pyrolysis
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