GB/T 18609-2001
Standard test method for acid number of crude oil by potentiometric titration (English Version)

Standard No.

GB/T 18609-2001

Language

Chinese, Available in English version

Release Date

2001

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2012-01

Replace By

GB/T 18609-2011

Latest

GB/T 18609-2011

Scope

This standard specifies the method for determining the acid value of crude oil by potentiometric titration. This standard is applicable to the determination of acidic components with a dissociation constant greater than 10% in crude oil with a mass fraction of water less than 1%. The measuring range of acid value is greater than 0.05 m9·g～.

GB/T 18609-2001 history

• 2011 GB/T 18609-2011 Determination of acid number of crude oil by potentiometric titration
• 2001 GB/T 18609-2001 Standard test method for acid number of crude oil by potentiometric titration