Cation exchange properties of humic acids and their importance in the geochemical enrichment of UO2++ and other cations
โ Scribed by A. Szalay
- Book ID
- 118882723
- Publisher
- Elsevier Science
- Year
- 1964
- Tongue
- English
- Weight
- 922 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0016-7037
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๐ SIMILAR VOLUMES
Magnesium can be separated from calcium by elution with 3.0 IM hydrochloric acid containing 60% ethanol from a column of AGsoW-X8 cation-exchange resin. Calcium is retained and can be eluted with 3.0 IM hydrochloric acid or 2.0 IM nitric acid. The separation factor of OL&~ = 5.6 is considerably high
The role of aspartic acid49 (Asp-49) in the active site of porcine pancreatic phospholipase A2 was studied by recombinant DNA techniques: two mutant proteins were constructed containing either glutamic acid (Glu) or lysine (Lys) at position 49. Enzymatic characterization indicated that the presence