ion exchangern.
/ˌʌɪən ᵻksˈtʃeɪn(d)ʒə/, /ˌʌɪən ɛksˈtʃeɪn(d)ʒə/, U.S. /ˌaɪən ɪksˈtʃeɪndʒər/, /ˌaɪən ɛksˈtʃeɪndʒər/ Chiefly Chemistry.
A solid involved or used in ion exchange. Also: an apparatus for effecting ion exchange.
ΘΚΠ
the world > matter > chemistry > equipment or apparatus > [noun] > miscellaneous apparatus
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spray tower1937
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ion exchanger1941
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chemostat1950
Knudsen pipette1951
pH-stat1956
cryopump1958
the world > matter > physics > atomic physics > ion > [noun] > ion exchange > solid or apparatus effecting
ion exchanger1941
1941 Jrnl. Franklin Inst. 232 317 It is possible..that the characteristics of an ion exchanger are conditioned by the nature of the ion with which it was last saturated.
1950 Sci. Amer. Nov. 50/2 During the war compact little ion exchangers were used in life-raft emergency kits for making drinking water from sea water.
1960 R. Kunin Elements Ion Exchange iii. 24 Only the zeolite minerals have a sufficiently satisfactory combination of the above-mentioned characteristics..to permit their use as ion exchangers on a commercial scale.
1981 N.Y. Times 28 Jan. c1/5 The effectiveness of ion exchangers as air cleaners is controversial.
2001 Plant Physiol. 125 1091/1 After centrifugation..the ion-exchanger was washed once with 0.4 mL of ultrapure water.
This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022).
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n.1941