BS ISO 25761:2014
$102.76
Plastics. Polyols for use in the production of polyurethanes. Determination of basicity (total amine value), expressed as percent nitrogen
| Published By | Publication Date | Number of Pages |
| BSI | 2014 | 18 |
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 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.
It is also permissible to express the results in equivalents of base per gram of sample.
NOTE This method is technically equivalent to that in ASTM D 6979.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | Foreword |
| 7 | Introduction |
| 9 | Section sec_1 Section sec_2 Section sec_3 Section sec_3.1 Section sec_3.2 Section sec_3.3 1 Scope 2 Normative references 3 Terms and definitions |
| 10 | Section sec_3.4 Section sec_3.5 Section sec_4 Section sec_5 Section sec_6 Section sec_6.1 Section sec_6.2 Section sec_6.3 Section sec_6.4 Section sec_7 Section sec_8 Section sec_8.1 Section sec_8.2 Section sec_8.3 4 Principle 5 Sampling 6 Apparatus 7 Interference 8 Reagents |
| 11 | Section sec_8.4 Section sec_9 Section sec_9.1 Section sec_9.2 Section sec_9.3 Section sec_9.4 9 Procedure |
| 12 | Section sec_10 Section sec_10.1 Section sec_10.2 Section sec_11 Section sec_11.1 Table tab_1 10 Expression of results 11 Precision and bias 11.1 General |
| 13 | Section sec_11.2 Section sec_11.2.1 Section sec_11.2.2 Section sec_11.2.3 Section sec_11.3 Section sec_12 11.2 Precision 11.3 Bias 12 Test report |
| 14 | Annex sec_A Annex sec_A.1 Annex sec_A.2 Annex A (informative) Determination of the factor F for 0,1 mol/l perchloric acid in acetic acid |
| 15 | Reference ref_1 Reference ref_2 Reference ref_3 Reference ref_4 Reference ref_5 Reference ref_6 Reference ref_7 Reference ref_8 Bibliography |
