ion-permeable membrane

ion-permeable membrane

[¦ī‚än ¦pər·mē·ə·bəl ′mem‚brān]
(materials)
A film or sheet of a substance which is preferentially permeable to some species or types of ions.
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References in periodicals archive ?
Among the company's differentiating technology, he cites the ion-permeable membrane in the EVITA INSITU ammonia, nitrate and phosphate systems, which replace the sample pumps, filters and ion-specific electrode or colormetric measurements found in other online sampling instruments.
Solvay, which develops ion-permeable membranes used in fuel cells, said it plans to contribute an undisclosed amount of capital to the Conduit fund.