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Extraction Essay Topics & Paper Examples

´╗┐National University of Singapore

The appearance of the yellow crystals obtained tallies with the reference physical appearance of Dibenzalacetone1. The appearance of the white powder obtained also tallies with the reference physical appearance of o-Chlorobenzoic acid2. The yields of the compounds are relatively low at 34.2% and 29.5%. This may be due to some possible sources of error and limitations which will be discussed in the next section. Limitations and Sources of Error Loss of compounds was an important factor that caused the yield of the purified compounds to be reduced. This may have occurred first during the extraction phase where extraction may not be complete. During the filtration and vacuum filtration processes, there was also a high level of difficulty in retrieving all…