Published
ISO 20843:2011 specifies a test method to determine the pH value of fire-resistant fluids within categories HFAE, HFAS and HFC, as classified in ISO 6743‑4.
WITHDRAWN
ISO 20843:2003
PUBLISHED
ISO 20843:2011
90.93
Standard confirmed
Oct 9, 2021
Petroleum and related products — Determination of pH of fire-resistant fluids within categories HFAE, HFAS and HFC
60.60 Standard published