Farbeprozess gleich wie bei Helianthin. 2163 ZTJSAMMENFASSUNG L-Leucin-methylester wird mit pulverisiertem Natrium zu einem Produkt kondensiert, dessen wasserunloslicher Anteil (60-70% d. Th.) zu 3/5 aus racemischen Leucinpeptiden und zu z/5 aus Di-isobutyl-dioxopiperazin besteht. Nach Abtrennung de
✦ LIBER ✦
Etude de la séparation de traces de mercure ionique par adsorption, en milieu aqueux, sur verre sodocalcique. Application à la séparation Hg2+-organomercuriels
✍ Scribed by W. Haerdi; E. Gorgia; N. Lakhoual
- Publisher
- John Wiley and Sons
- Year
- 1971
- Tongue
- German
- Weight
- 407 KB
- Volume
- 54
- Category
- Article
- ISSN
- 0018-019X
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✦ Synopsis
Abstract
The separation conditions of traces of ionic mercury from aqueous solution on microbeads of soda lime are studied theoretically and established experimentally. The formation of a stable complex of the ion with ethylene diamine allows to operate at pH 7–8. The efficiency of the exchange is close to 96%. The methods allows the separation and essay of ionic mercury in presence of various organomercuric compounds.
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John Wiley and Sons
🌐
German
⚖ 698 KB