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Science 14 January 1966:
Vol. 151. no. 3707, pp. 194 - 195
DOI: 10.1126/science.151.3707.194
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Articles

Salt Rejection by a Porous Glass

K. A. Kraus 1, A. E. Marcinkowsky 1, J. S. Johnson 1, and A. J. Shor 1

1 Chemistry and Reactor Chemistry Divisions, Oak Ridge National Laboratory, Oak Ridge, Tennessee

Porous glass partly filters dissolved salt from aqueous solutions passed through it under pressure. Rejection of salt can be increased by increase in the pH of the solution or by addition of Th(IV). The filtration seems to accord with a mechanism of salt exclusion characteristic of ion exchangers.

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