ISO-14897 › 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.
To find similar documents by classification:
83.080.10 (Thermosetting materials Including ebonite Silicones, see 71.100.55)
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Document Number
ISO 14897:2023
Revision Level
3RD EDITION
Status
Current
Publication Date
June 1, 2023
Committee Number
ISO/TC 61/SC 12