ISO 20843:2011 Preview
Petroleum and related products -- Determination of pH of fire-resistant fluids within categories HFAE, HFAS and HFC
This standard was last reviewed and confirmed in 2016. Therefore this version remains current.
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.
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