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Abstract Preview

ISO 14897 specifies methods used to measure the water content of polyols employed as polyurethane raw materials. Method A is a manual amperometric method which has been included to better define the principles of the Karl Fischer measurement. Amperometric methods are applicable to a wide range of polyols, including those which have enough colour to obscure a visual end-point. Method B includes an automated amperometric procedure and an automated coulometric procedure. The coulometric procedure is an absolute method that does not require calibration and gives improved sensitivity compared with amperometric methods.


General information

  • Status :  Published
    Publication date : 2002-06
  • Edition : 2
    Number of pages : 8
  • Technical Committee
    :
    ISO/TC 61/SC 12
    Thermosetting materials
  • ICS :
    83.080.10
    Thermosetting materials

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