Test severity, inhibition and oil discrepancy: these are factors which influence the formation of sludge and the extent of its settling in the engine. By appropriate used-oil analyses it is possible to calculate indices of the oil's performance which are largely independent of the type of engine used and test procedure followed. The ASTM D 893 test procedure is inapplicable to a large number of modern motor oils. An alternative method based on the filtration of used oils over membrane filters has been of great help in recent years. However, a newly developed photometric method seems promising in overcoming most present analytical difficulties. The indices obtained from used-oil analyses can become the only feasible test method in the development of long drain oils. (DePo)


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    Titel :

    Evaluation of dispersancy by analytical methods


    Weitere Titelangaben:

    Bewertung des Dispersionsvermoegens von Motoroelen durch analytische Verfahren


    Beteiligte:
    Badiali, F.L. (Autor:in) / Berti, F. (Autor:in) / Ingoni, A.A.C. (Autor:in) / Pusateri, G. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1978


    Format / Umfang :

    11 Seiten, 20 Bilder, 4 Tabellen, 5 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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