Determination of Caffeine in Roasted Coffee Using Optical MethodDetermination of Caffeine in Roasted Coffee Using Optical Method
Determination of Caffeine in Roasted Coffee Using Optical Method
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Determination of Caffeine in Roasted Coffee Using Optical Method - Paperback

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Determination of Caffeine in Roasted Coffee Using Optical Method
Determination of Caffeine in Roasted Coffee Using Optical Method - Paperback
$83.21
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by Alemayehu Kiros (Author)

Shorttitle In this work a simultaneous determination of caffeine content was performed in sample of Sidama (Ethiopia) coffee, before and after roasting at either different temperature (140-2100c) or different exposure time (4-10min). A UV/VIS spectrophotometer method is used. A modest loss of caffeine was verified both in the roasting time and roasting temperature. Rate constant for chemical reactions at 2000 c were determined. The result shows weight loss increases during roasting. For pure caffeine molar decadic absorption coefficient and translational dipole moment were calculated.

Number of Pages: 56
Dimensions: 0.13 x 9 x 6 IN
Publication Date: November 26, 2010
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