ASTM D94-07(2012)
Standard Test Methods for Saponification Number of Petroleum Products

Standard No.

ASTM D94-07(2012)

Release Date

2007

Published By

American Society for Testing and Materials (ASTM)

Status

Be replaced

Replace By

ASTM D94-07(2012)e1

Latest

ASTM D94-07(2017)

Scope

1.1 These test methods cover the determination of the amount of constituents in petroleum products such as lubricants, additives, and transmission fluids that will saponify under the conditions of the test.

Note 1???Statements defining this test and its significance when applied to electrical insulating oils of mineral origin will be found in Guide D117. Experience has shown that for transformer oils, Test Method D94, modified by use of 0.1 M KOH solution and 0.1 M HCl, is more suitable.

1.1.1 Two test methods are described: Method A???Color Indicator Titration (Sections 6-13), and Method B???Potentiometric Titration (Sections 14-23).