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  • NONMETALLIC MATERIALS  (1)
  • Polymer and Materials Science  (1)
  • 2000-2004
  • 1980-1984  (2)
  • 1930-1934
  • 1980  (2)
Collection
Keywords
Publisher
Years
  • 2000-2004
  • 1980-1984  (2)
  • 1930-1934
Year
  • 1
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: At first a short review is given with respect to an automatic streaming potential measurement and to the ultrasonic vibration potential method. The ultrasonic vibration method has advantages but the main barrier to a direct application in a mill is the influence of a great electrlyte cocentration. A solution of this problem is of interest. Useful applications of this method in the laboratory are described: basic research with ionic polymers, measurements to the influence of disturbing substances, filler preflocculation.
    Notes: Zunächst wird der Stand der Entwicklung für eine automatische Strömungspotential-Appartur und eine praxisgerechte Ultraschall-Elektrophorese-Apparatur geschildert. Bei der zweiten Methode erschwert hoher Elektrolytgehalt die Anwendung an einer Papiermaschine. Mögliche Auswege werden noch erprobt. Im Labor hat diese Methode jedoch schon vielfältige Anwendungen ermöglicht, wie z. B. bei Untersuchungen über die Wirkungsweise von Retentionsmitteln, den Einfluß von Störsubstanzen und die Füllstoff-Aktivierung.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 2019-06-27
    Description: Several techniques were used to study pretreated Ti 6-4 surfaces including scanning electron microscopy (SEM), electron spectroscopy of chemical analysis (ESCA), and, reflectance visible spectroscopy. Each pretreatment type gave a characteristic surface morphology as seen by SEM. Elemental analysis of the Ti 6-4 surfaces was done using ESCA. Trace residual contaminants from particular chemical pretreatments were identified readily. Results indicate that reflectance visible spectroscopy using indicator dyes placed on Ti 6-4 surfaces appears to be a feasible approach to establish surface acidity. Differences in surface acidity were observed using bromthymol blue on Ti 6-4 surfaces pretreated by two different methods.
    Keywords: NONMETALLIC MATERIALS
    Type: NASA-CR-163024
    Format: application/pdf
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