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Photosynthesis and Chromatography
Date Submitted: 01/22/2003 10:35:28
Chromatography
Planning B- This experiment is an analysis of the separation of plant pigments. The analysis is done to examine the types of pigments found in spinach leaves mixed with acetone. The stems of the spinach were removed. The remaining leaves were squashed together in an acetone-filled mortar using a pestle. After obtaining a green mush, chromatography was ready to be done. Three pieces of chromatography paper were cut to a similar shape to the
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could affect the results. The independent variables differed as different groups in the class room weighed different amounts of elodea and placed the beaker at different distances from the lamp.
Data Processing and Presentation- The following chart shows the results from all the groups in class. The rate of oxygen produced per minute was measured based on the dry weight (1 g) per minute.
GroupWt.of Elodeacc of O"Rate: cc/ dry weight (1g) per 1 min
12.5145
21.20.50.0023
31.130.0151
42.11.50.0039
51.51.20.0044
611.50.0083
72.32.40.0057
81.22.80.0129
9/// 1.10.003
102.12.50.0066
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