BS 2000-136-2:1999 Methods of test for petroleum and its products. Determination of saponification number. Potentiometric titration method. Section 136.2: Potentiometric titration method
1999BS 2000-136-2:1999 Methods of test for petroleum and its products. Determination of saponification number. Potentiometric titration method. Section 136.2: Potentiometric titration method