| 摘要 |
An apparatus for ion exchange which comprises (1) a very small diameter helix shaped inner tube of a suitable ion exchanging material having a filament therein and having its terminal ends inserted into entry and exit tubes, and (2) a diametrically slightly larger and longer length hollow outer tube having (a) the helix enclosed therein; (b) inlet and outlet apertures; and (c) sealed ends around the entry and exit tubes leading to the helix, and the method of making and using the same.
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