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ISO 14897:2023

Current Revision

Plastics - Polyols for use in the production of polyurethanes - Determination of water content

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This document 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.


SDO ISO: International Organization for Standardization
Document Number ISO 14897
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 61/SC 12
Publish Date Document Id Type View
Not Available ISO 14897:2023 Revision