ion-exchangev.
/ˈʌɪənᵻksˌtʃeɪn(d)ʒ/, /ˈʌɪənɛksˌtʃeɪn(d)ʒ/, U.S. /ˈaɪənɪksˌtʃeɪndʒ/, /ˈaɪənɛksˌtʃeɪndʒ/ transitive. To subject (a substance, sample, etc.) to ion exchange; to exchange (an ion) for one of a different type using ion exchange; to treat with an ion exchanger. Usually in passive.
ΚΠ
1956 Biol. Bull. 110 170 Samples were ion exchanged as above and similarly chromatographed.
1978 Nature 16 Nov. 218/1 Many other cations..can be ion-exchanged for sodium by immersion in suitable molten salts or by other techniques.
2004 Biogeochem. 71 251 All water used was ion exchanged and passed through a Millipore-Q system.
This is a new entry (OED Third Edition, March 2012; most recently modified version published online March 2022).
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