SS-EN-ISO-20843 › Petroleum and related products - Determination of pH of fire-resistant fluids within categories HFAE, HFAS and HFC (ISO 20843:2011)
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This International Standard 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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SS-EN ISO 20843:2011
Feb. 10, 2011
EN ISO 20843:2011(IDT); ISO 20843:2011(IDT)