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About This Item

 

Full Description

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.

 

Document History

  1. ISO 20843:2011

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    Petroleum and related products - Determination of pH of fire-resistant fluids within categories HFAE, HFAS and HFC

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  2. ISO 20843:2003


    Petroleum and related products -- Determination of pH of fire-resistant fluids within categories HFAE, HFAS and HFC

    • Historical Version