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Petroleum products and lubricants — Neutralization number — Potentiometric titration method
Automatically translated name:
Petroleum products and lubricants -- Neutralization number -- Potentiometric titration method
STANDARD published on 15.12.1988
Designation standards: ISO 6619:1988
Publication date standards: 15.12.1988
SKU: NS-434065
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: International technical standard
Category: Technical standards ISO
Description / Abstract: 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.
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