ISO 25761
Plastics — Polyols for use in the production of polyurethanes — Determination of basicity (total amine value), expressed as percent nitrogen
inactive
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| Organization: | ISO |
| Publication Date: | 15 May 2008 |
| Status: | inactive |
| Page Count: | 14 |
| ICS Code (Thermosetting materials): | 83.080.10 |
scope:
The method specified in this International Standard 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 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.
It is also permissible to express the results in equivalents of base per gram of sample.
This method is technically equivalent to that in ASTM D 6979-03.
Document History
March 1, 2014
Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen
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ISO 25761
May 15, 2008
Plastics — Polyols for use in the production of polyurethanes — Determination of basicity (total amine value), expressed as percent nitrogen
The method specified in this International Standard measures the basic constituents in polyols that are soluble in glacial acetic acid and reactive with perchloric acid. Samples containing 0,3 % to...