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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 25 (1974), S. 753-756 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Korrosionsinhibitoren für Aluminium und dessen Legierungen in neutralen MedienAusgehend von bisher bekannten Inhibitoren für Wasser, Natriumchlorid und andere Salzlösungen wird über neue Ergebnisse berichtet, die mit der Inhibierung in Natriumpersulfatlösungen erhalten wurden. Die dabei untersuchten Inhibitoren zeigen zunehmende Wirksamkeit in der Reihe Nicotinsäure - Chinolin - Pyridin-alpha-Picolin-2,4-Lutidin. Die Wirksamkeit ist vor allem bedingt durch das Stickstoffatom, das die Chemisorption der Verbindung an der Oberfläche des Metalls erleichtert. Die Wirksamkeit läßt sich erklären durch die Erhöhung der Elektronendichte des heterocyclischen Systems am Stickstoff.
    Notes: On the basis of results so far available on inhibitors for water, sodium chloride and other salt solutions new results are reported which were obtained with respect to the inhibition in sodium persulfate solutions. The inhibitors studied in this context show increasing efficiency in the order nicotinic acid - quinonline - pyridine - alpha-picoline - 2,4-lutidine. The efficiency is primarily due to the nitrogen atom facilitating chemisorption of the particular compound to the metal surface. The efficiency may be interpreted in terms of the increased electron density of the heterocyclic system at the nitrogen atom.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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