ISO-25761 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen

ISO-25761 - 2ND EDITION - CURRENT
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The method specified in ISO 25761:2014 measures the basic constituents in polyols that are soluble in glacial acetic acid and reactive with perchloric acid. Samples containing 0,3 % to 10 % of nitrogen have been evaluated by this method. The method is applicable to amine-based polyols, polyether polyols and polyether polyol blends that are used in polyurethane reactions. The results are measures of batch-to-batch uniformity and may be used to estimate reactivity in polyurethane reactions.

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Document Number

ISO 25761:2014

Revision Level

2ND EDITION

Status

Current

Publication Date

March 1, 2014

Committee Number

ISO/TC 61/SC 12