WK26955 Revision of D4739 - 08e1 Standard Test Method for Base Number Determination by Potentiometric Hydrochloric Acid Titration

1. Rationale

Change the electrode cleaning procedure to eliminate chromic acid for a less hazardous cleaning procedure.

Keywords

base number; lubricants; petroleum products; potentiometric titration; Chloroform; Fuel oils; Isopropyl alcohol; Lubricants (fluid); Lubricating oils; Oxidation testing--petroleum products; Petroleum additives; Potentiometric titration; Strong base number; Toluene--petroleum products; Used petroleum products; Acidity, alkalinity, pH--petroleum products;

Citing ASTM Standards

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ASTM WK26955

Work Item: ASTM WK26955 - Revision of D4739 - 08e1 Standard Test Method for Base Number Determination by Potentiometric Hydrochloric Acid Titration