Active standard | Published: 15/12/1988

ISO 6619:1988

Petroleum products and lubricants — Neutralization number — Potentiometric titration method
(Produits pétroliers et lubrifiants — Indice de neutralisation — Méthode par titrage potentiométrique)

Available languages: English, French

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 6619:1988

Publication date: 15/12/1988

Pages: 8

Country: International technical standard

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Anotation

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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