Organic Reagents for Organic Analysis
β Scribed by R., J.
- Book ID
- 109546194
- Publisher
- Nature Publishing Group
- Year
- 1945
- Tongue
- English
- Weight
- 130 KB
- Volume
- 155
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/155743c0
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π SIMILAR VOLUMES
Lanthanide tetrakis(/l-diketonate) anions are effective NMR shift reagents for organic salts. The shifts in the 'H NMR spectra were analyzed and explained without invoking a contact shift mechanism. The equilibria of the shift reagentsubstrate complex was examined. No evidence was found for a 1:2 sh
I'hc propcrtics of a tliffcrcntial mcmbranc clctcctor ccl1 combincd with the ion-exchange chromatographic: process have been cvaluatccl in the separation and clcterrnination of sodium and potassium, lint m&ho& cst propow% pour l'cnrcgistremcnt dcs courbcs d'&ution (appliqu6u ir la separation sodium-