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ISO 14897:2023

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

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 14897:2023
Document Year: 2023
Pages: 10
Edition: 3

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ISO 14897:2023
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