La (III) polychelates of phenolic resin: synthesis, characterization and ion-exchange study
✍ Scribed by Malav Kapadia; Mihir Patel; Gautam Patel; Jayantilal Joshi
- Publisher
- Springer
- Year
- 2007
- Tongue
- English
- Weight
- 209 KB
- Volume
- 15
- Category
- Article
- ISSN
- 1022-9760
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## Abstract A 2,2′‐dihydroxybiphenyl–formaldehyde copolymer, synthesized by the condensation of 2,2′‐dihydroxybiphenyl with CH~2~O in the presence of an acid catalyst, proved to be a selective chelating ion‐exchange copolymer for certain metals. The chelating ion‐exchange properties of this copolym
Some new chelating amphoteric ion exchange resins have been synthesized by condensing catechol, 8-hydroxyquinoline, hydroquinone, salicyclic acid, sulfosalicyclic acid, 3-hydroxy-2-naphthoic acid, p-hydroxybenzoic acid, P-resorcylic acid, and anthranilic acid with epichlorohydrin employing diethylen