Customer Support: 131 242

i2i Intertek.com
  • There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Go to AMERICAS site
Dismiss alert
Please enter a keyword to search
Advanced search
Home
CEN
EN 12634:1998

EN 12634:1998

Current

Current

The latest, up-to-date edition.

Petroleum products and lubricants - Determination of acid number - Non-aqueous potentiometric titration method

Published date

21-10-1998

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Definition
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Sample preparation for used oils
9 Apparatus preparation
10 Procedure
11 Calculation
12 Expression of results
13 Precision
14 Test report
Annex A (normative) Procedure for the standardization
        of TMAH standard solution
Annex B (normative) Electrode preparation, maintenance
        and storage and electrode system quality assurance
Annex C (informative) Bibliography

This European Standard specifies a method for determination of acid number by potentiometric titration, of lubricating oils and additives soluble in mixtures of propan-2-ol, dimethylsulfoxide and toluene. It is applicable in the range 0,1 mg KOH/g to 250 mg KOH/g, and to unused and used lubricating oils and additives.

Committee
CEN/TC 19
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
NBN EN 12634 : 1998 Identical
NEN EN 12634 : 1998 Identical
BS EN 12634:1998 Identical
BS 2000-449(1999) : 1999 Identical
SN EN 12634 : 1999 Identical
NF EN 12634 : 1998 Identical
UNE-EN 12634:1999 Identical
UNI EN 12634 : 2001 Identical
NS EN 12634 : 1ED 1999 Identical
DIN EN 12634:1999-02 Identical
PN EN 12634 : 2002 Identical
I.S. EN 12634:1999 Identical
IP 449 : 2000 Identical

CEN/TR 15160:2005 Petroleum and related products - Applicability of diesel fuel test methods for Fatty Acid Methyl Esters (FAME) - Information and results on round robin tests
I.S. CEN/TR 15160:2005 PETROLEUM AND RELATED PRODUCTS - APPLICABILITY OF DIESEL FUEL TEST METHODS FOR FATTY ACID METHYL ESTERS (FAME) - INFORMATION AND RESULTS ON ROUND ROBIN TESTS
PD CEN/TR 15160:2005 Petroleum and related products. Applicability of diesel fuel test methods for fatty acid methyl esters (FAME). Information and results on round robin tests

ISO 3171:1988 Petroleum liquids — Automatic pipeline sampling
ISO 3170:2004 Petroleum liquids — Manual sampling
ISO 3819:2015 Laboratory glassware Beakers
ISO 385-1:1984 Laboratory glassware — Burettes — Part 1: General requirements
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
EN ISO 3696:1995 Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)

View more information
Sorry this product is not available in your region.

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.

Learn more on subscription solutions

or

Get in touch with us

Need help?
Call us on 131 242, then click here to start a Screen Sharing session
so we can help right away! Learn more