Exchange mechanism of alkaliions on zinc ferrocyanides
β Scribed by C. Loos-Neskovic; M. Fedoroff
- Publisher
- Elsevier Science
- Year
- 1988
- Weight
- 719 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0167-6989
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π SIMILAR VOLUMES
The results of potentiometric studies of the polymerization of silicic acid and the mechanism of cation exchange on different ionic forms of silica gel are considered in terms of modern concepts of the properties of siloxane bonds. \* Because of the increased (p + d)n interaction in Si-0' bondss\*9.
The distribution coefficient (Ko) of trace zinc in 1 M NaCl solution on an aminophosphonate-chelating resin Duolite C467 increased with pH to a peak value close to 200000 ml/g at pH about 6. At higher pH values the KD dropped to 25 000 ml/g due to competition of zinc hydrolysis. Increasing NaCl conc