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Science 19 April 1963:
Vol. 140. no. 3564, p. 292
DOI: 10.1126/science.140.3564.292
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Articles

"Applejack" Technique: New Application of an Old Approach to Solute Concentration

Helen M. Habermann 1

1 Department of Biological Sciences, Goucher College, Towson, Baltimore 4, Maryland

Freezing and slow thawing is a simple and inexpensive means for preparing concentrated solutions from large volumes of water-soluble compounds. Particularly appropriate for colored compounds, it can be adapted easily to colorless solutes for which quantitative tests are available.


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Science. ISSN 0036-8075 (print), 1095-9203 (online)