ISO 6619:1988 Preview

Petroleum products and lubricants -- Neutralization number -- Potentiometric titration method

Gives a method for the determination of acidic constituents in products soluble or nearly soluble in mixtures of toluene and propan-2-ol. It is applicable for the determination of acids whose dissociation constants in water are greater than 10-9. The method may be used to indicate relative changes that occur in an oil during use under oxidizing conditions regardless of the colour or other properties of the resulting oil. No general relationship between bearing corrosion and acid or base numbers is known.


General information

  • Status :  Published
    Publication date : 1988-12
  • Edition : 1
    Number of pages : 8
  • :
    ISO/TC 28
    Petroleum and related products, fuels and lubricants from natural or synthetic sources
  • 75.080
    Petroleum products in general

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