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BS ISO 4765:2022

BS ISO 4765:2022

$167.15

Chemically-induced ultraweak photon emission (UPE). Measurement as an analysis method of degradation of polymeric material

Published By Publication Date Number of Pages
BSI 2022 34
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Measurement principle and its limitations
5 Sample
9 6 UPE measuring apparatus
6.1 Composition of UPE apparatus body
6.2 Composition of sample chamber
10 6.3 Installation environment for UPE apparatus
6.4 Sensitivity check
11 7 Measurement method
7.1 UPE apparatus preparation
7.2 Confirmation of normal operation of UPE apparatus
7.3 Measurement procedure
7.3.1 Setting of measurement condition
12 7.3.2 Measurement of background
7.3.3 Sample measurement
13 8 Display of measurement results
8.1 General
8.2 Measurement in inert gas atmosphere
14 8.3 Measurement in oxidation accelerating atmosphere
16 9 Test report
17 Annex A (informative) Detection of oxidation deterioration by UPE measurement
22 Annex B (informative) Examples of time courses of UPE of thermally oxidized polypropylene (PP) for isothermal and non-isothermal measurement
24 Annex C (informative) Example of measurements of oxidation deterioration degree of thermally oxidized polyethylene (PE)
26 Annex D (informative) Example evaluation of oxidation induction time (OIT)
28 Annex E (informative) Example of UPE of PP oxidized by accelerated weathering test
32 Bibliography

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BS ISO 4765:2022
$167.15