Alkali Metal Cationization of Alkyl Glucosides under Electrospray Ionization Conditions
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Joanna Zembrzuska
Abstract
Alkyl glucosides have been studied by electrospray ionization mass spectrometry. The effect of the hydrophobic and the hydrophilic parts of these compounds on the stability of [M + Na]+ ions has been evaluated by mass spectra at growing cone voltages. The longer the hydrophobic or the hydrophilic part, the higher the stability of these ions. It has been also found that solvent used affects the abundances of [M + Na]+ ions. In order to check if the radii of alkali metal ions influence the stability of their adducts with the compounds studied, the mass spectra have been recorded for solution containing lithium and potassium ions. The cations of smaller radius form more stable adducts, especially with the compounds having longer hydrophobic parts.
Kurzfassung
Alkylglucoside wurden mit Hilfe der Elektrospray-Ionisation-Massenspektrometrie untersucht. Der Einfluss der hydrophoben und hydrophilen Teile dieser Verbindungen auf die Stabilität von [M + Na]+-Ionen wurde mittels Massenspektrometrie unter wachsender Konusspannung ausgewertet. Je länger der hydrophobe oder hydrophile Teil ist, desto höher ist dieser Stabilität dieser Ionen. Weiterhin wurde gefunden, dass das verwendete Lösungsmittel die Abundanz der [M + Na]+-Ionen beeinflusst. Um zu überprüfen, ob die Radien der Alkalimetallionen die Stabilität ihrer Addukte der untersuchten Verbindungen beeinflussen, ist das Massenspektrum von Lösungen aufgezeichnet worden, die Lithium-und Kaliumionen enthalten. Die Kationen mit kleinerem Radius bilden stabilere Addukte, besonders mit den Verbindungen, die längere hydrophobe Teile besitzen.
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© 2005, Carl Hanser Publisher, Munich
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Articles in the same Issue
- Contents/Inhalt
- Contents
- Abstracts
- Abstracts
- Application
- Dynamic Surface Tension: Industrial Applications and Characterisation of Commercial Surfactants*
- New Detergency Aspects through Visualisation of Soil Release Polymer Films on Textile Surfaces
- Physical Chemistry
- Foam Film Characterization of Commercial Surfactants and their Mixtures
- Alkali Metal Cationization of Alkyl Glucosides under Electrospray Ionization Conditions
- Conductivity of Strontium Soaps in Water
- Surface and Foaming Properties of Alkylamine Oxide: Protonation and Counterion Effects
- Synthesis
- Synthesis and Investigation of Surfactants to the Purpose of Development of Fire Extinguishing Substances and Organisation of their Production in Ukraine*
- Preparation and Surface Activities of Novel Sodium Sulfated Aryl Oleic Acid Alkanolamides
- Synthesis and Surfactant Properties of New Ester-capped Poly(oxyalkylated) Alcohols
- Laudation
- Heinz Hoffmann
