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Determination of Caffeine in Roasted Coffee Using Optical Method by Alemayehu Kiros (Paperback, 2010)

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About this product

Product Information

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.

Product Identifiers

Publisher
Lap Lambert Academic Publishing
ISBN-13
9783843378628
eBay Product ID (ePID)
107714905

Product Key Features

Author
Alemayehu Kiros
Publication Name
Determination of Caffeine in Roasted Coffee Using Optical Method
Format
Paperback
Language
English
Subject
Physics
Publication Year
2010
Type
Textbook
Number of Pages
56 Pages

Dimensions

Item Height
229mm
Item Width
152mm
Item Weight
95g

Additional Product Features

Title_Author
Alemayehu Kiros
Country/Region of Manufacture
Germany

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