Testing of mineral oils; determination of neutralization number by color-indicator titrationTesting mineral oils; determination of the neutralization index by titration in the presence of colored indicatorsZusammenhang mit der amerikanischen Norm ANS
DIN 51558-1:1979 history
2015DIN ISO 6618:2015 Petroleum products and lubricants - Determination of acid or base number - Colour-indicator titration method (ISO 6618:1997)
1979DIN 51558-1:1979 Testing of Mineral Oils; Determination of the Neutralization Number, Colour-indicator titration