NEN-EN-ISO 20843
Petroleum and related products - Determination of pH of fire-resistant fluids within categories HFAE, HFAS and HFC
active, Most Current
Organization: | NEN |
Publication Date: | 1 January 2011 |
Status: | active |
ICS Code (Hydraulic fluids): | 75.120 |
scope:
This International Standard 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.
Document History

NEN-EN-ISO 20843
January 1, 2011
Petroleum and related products - Determination of pH of fire-resistant fluids within categories HFAE, HFAS and HFC
This International Standard 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.

September 1, 2003
Petroleum and related products - Determination of pH of fire-resistant fluids within categories HFAE, HFAS and HFC
This International Standard specifies a test method to determine the pH value in HFA and HFC fluids, as classified in ISO 6743-4.

March 1, 2002
Petroleum products and lubricants - Determination of pH of fire-resistant fluids within categorie HFA and HFC
This International Standard specifies a test method to determine the pH value in HFA and HFC fluids, as classified in ISO 6743-4.