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  • 1
    Electronic Resource
    Electronic Resource
    Levitation calorimetry. IV. Thermodynamic properties of liquid cobalt and palladium (1971)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 75 (1971), S. 3737-3740 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100693a018
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Adsorption of the Amides N-Ethylacetamide and 2-Pyrrolidinone on .gamma.-Alumina. Influence of the Stereochemistry of the Adsorbate (1995)
    s.l. : American Chemical Society
    Langmuir 11 (1995), S. 2060-2064 
    Details
    ISSN: 1520-5827
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/la00006a036
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    High-resolution SEM studies of chromate conversion coatings (1988)
    Springer
    Journal of materials science 23 (1988), S. 3706-3710 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Scanning electron microscope studies have shown that chromate paint pretreatment of aluminium resulted in the deposition of a film comprising layers of spherical-shaped particles. On alkali-etched substrates the particle size varied from between 60 nm to less than 10 nm. The larger particles tended to occur either in some of the larger pits on the surface or in the vicinity of intermetallic particles. Uniformly sized 50 to 60 nm particles were deposited on the surface of a polished substrate. Penetration of organic resins into the particulate surfaces may contribute towards the good paint and lacquer adhesion resulting from the pretreatment process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00540518
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  • 4
    Electronic Resource
    Electronic Resource
    SSIMS, XPS and microstructural studies of ac-phosphoric acid anodic films on aluminiumPaper presented at ECASIA 89, Antibes, France, 23-27 October 1989. (1990)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 15 (1990), S. 369-376 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: ac-Phosphoric acid anodizing of aluminium results in the initial formation of a featureless barrier film on the metal surface, followed by nucleation and growth of a filament structure. The rate of filament growth and filament diameter are dependent upon the anodizing temperature. Static secondary ion mass spectrometry (SSIMS) and XPS indicate that organic contamination levels on all anodized surfaces are low regardless of anodizing temperature and that contaminant levels tend to decrease as anodizing proceeds. Apart from the very intense Al+ in the positive ion spectra and the O- and OH- peaks in the negative ion spectra, SSIMS spectra were characterized by the appearance of a series of peaks from AlxOyHz fragments. Appearance of AlO+ or AlOH+ clusters in the positive ion spectra depended on the anodizing conditions. Both XPS and SSIMS confirm the presence of phosphates on the anodized surfaces but differences in results from the two types of analyses imply that unknown factors affect the concentration present.Low contaminant levels, corrosion inhibition from surface phosphates and the filamented topography developed will all affect the adhesive properties of the surface.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/sia.740150605
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  • 5
    Electronic Resource
    Electronic Resource
    Characterization of adhesive and coating constituents by time-of-flight secondary ion mass spectrometry (ToF-SIMS). Part 1: Epoxy-terminated diglycidyl polyethers of bisphenol-A and propal-2-ol (1993)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 20 (1993), S. 449-456 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: A series of epoxide resins typically used in adhesive and coating applications have been characterized by time-of-flight secondary ion mass spectrometry (ToF-SIMS). Using thin-film silver cationization, oligomers containing up to 16 bisphenol-A groups were detected for the epoxide-terminated diglycidyl polyethers of bisphenol-A and propan-s-ol that comprise the bulk resins. For the higher molecular weight resins, the results indicate the additional presence of monoglycol-, diglycol- and phenol-terminated oligomers. For thicker film specimens, the spectra exhibit signals characteristic of the terminal epoxide and the bisphenol-A components comprising the oligomer chains. Furthermore, the relative intensities of these diagnostic signals reflect the compositions of the epoxide resins in a quantitative manner.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/sia.740200519
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  • 6
    Electronic Resource
    Electronic Resource
    XPS studies of a ferricyanide accelerated chromate paint pretreatment film on an aluminium surface (1981)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 3 (1981), S. 194-200 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: An XPS analysis of a ferricyanide accelerated chromate paint pretreatment film found iron in the form of both a ferricyanide and a ferrocyanide ion. Chromium occurred in at least two different chemical environments, one of which was as a hydrated oxide. Aluminium and fluorine probably occurred together although the analysis was not conclusive in this respect. More positive evidence is available elsewhere. The behaviour of the elements on ion etching was consistent with a model of the film comprised mainly of hydrated chromium oxide microcrystallites covered with a monolayer of ferricyanides. Escape depth calculations and correlation of semiquantitative analysis with chemical and energy-dispersive analyses of the film were also consistent with this model. Adsorption of ferricyanides on the surface of the precipitating particles of the growing film provides an explanation for their role as accelerators of film growth.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/sia.740030503
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