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Science 5 June 1964:
Vol. 144. no. 3623, pp. 1228 - 1229
DOI: 10.1126/science.144.3623.1228
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Articles

Heparinic Acids: Determination of Equivalent Weights and Sulfate to Carboxyl Ratios

Klaus E. Kuettner 1 and Arthur Lindenbaum 1

1 Division of Biological and Medical Research, Argonne National Laboratory, Argonne, Illinois

By means of an automatic titration apparatus, a polyelectrolyte of biological origin, heparin, from two animal sources, was found to have an average equivalent weight of 170.0, a sulfate content of 34.44 percent, and a sulfate to carboxyl ratio of 2.59.

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