T. S. DANOWSKI, F.A.C.P.; L. GREENMAN; J. H. PETERS; F. M. MATEER; F. A. WEIGAND; R. TARAIL
The presence of substances in the soil capable of fixing cation constituents of fertilizers as a result of ion exchanging processes was first recognized by chemists more than 100 years ago.1, 2 The current extensive industrial applications of the principle had their beginnings in water-softening processes,3 during which positive charged electrolytes such as calcium or magnesium were removed. The advent of synthetic resins in 19354 made possible for the first time the complete removal of both positive and negative charged ions, i.e., cations and anions from solutions in a wide variety of production processes. During the past five
DANOWSKI TS, GREENMAN L, PETERS JH, MATEER FM, WEIGAND FA, TARAIL R. THE USE OF CATION EXCHANGE RESINS IN CLINICAL SITUATIONS1. Ann Intern Med. ;35:529–541. doi: 10.7326/0003-4819-35-3-529
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Published: Ann Intern Med. 1951;35(3):529-541.
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