Abstract 

ISO 20843:2003 specifies a test method to determine the pH value of non-flammable fluids within categories HFAE, HFAS and HFC, as classified in ISO 6743-4:1999.


General information

  • Status :  Withdrawn
    Publication date : 2003-09
  • Edition : 1
    Number of pages : 3
  • Technical Committee
    :
    ISO/TC 28
    Petroleum and related products, fuels and lubricants from natural or synthetic sources
  • ICS :
    75.120
    Hydraulic fluids

Life cycle

A standard is reviewed every 5 years



Revisions / Corrigenda

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information