ISO-6619 › Petroleum products and lubricants -- Neutralization number -- Potentiometric titration method

ISO-6619 - 1ST EDITION - CURRENT


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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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Document Number

ISO 6619:1988

Revision Level

1ST EDITION

Status

Current

Publication Date

Dec. 1, 1988

Committee Number

ISO TC 28