ISO 3771:1977
Petroleum products; Total base number; Perchloric acid potentiometric titration method

Standard No.

ISO 3771:1977

Release Date

1977

Published By

International Organization for Standardization (ISO)

Status

Withdraw

Replace By

ISO 3771:1994

Latest

ISO 3771:2011

ISO 3771:1977 history

• 2011 ISO 3771:2011 Petroleum products - Determination of base number - Perchloric acid potentiometric titration method
• 1994 ISO 3771:1994 Petroleum products - Determination of base number - Perchloric acid potentiometric titration method
• 1977 ISO 3771:1977 Petroleum products; Total base number; Perchloric acid potentiometric titration method