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BS EN 12697-4:2015 – TC:2020 Edition

BS EN 12697-4:2015 – TC:2020 Edition

$134.27

Tracked Changes. Bituminous mixtures. Test methods – Bitumen recovery: Fractionating column

Published By Publication Date Number of Pages
BSI 2020 46
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This European Standard specifies a test method for the recovery of soluble bitumen from bituminous mixtures from pavements in a form suitable for further testing. The procedure is suitable for the recovery of paving grade bitumen and is also suitable for mixtures containing volatile matter such as cut-back bitumen but the results may be less precise. This European Standard is the reference method for mixtures containing volatile matter, but the rotary evaporator procedure (see EN 12697-3) for mixtures with paving grade bitumen. NOTE There is limited experience of recovery when polymer-modified bitumen is used.

PDF Catalog

PDF Pages PDF Title
1 compares BS EN 12697-4:2015
2 TRACKED CHANGES
Text example 1 — indicates added text (in green)
29 Foreword
33 Introduction
34 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
35 5 Apparatus
5.1 Apparatus for the extraction of the soluble bitumen
5.2 Apparatus for the clarification of the bitumen solution
36 5.3 Distillation apparatus (see Figure 1)
6 Solvent and other materials
7 Procedure
7.1 Extraction of the bitumen and removal of insoluble matter
37 7.2 Assembling and checking the apparatus for air leaks
7.3 Distillation procedure
38 8 Preparation of the bitumen for testing
9 Test report
10 Precision
39 Table 1 — Precision values
40 Figure 1 — Distillation apparatus used for the recovery of soluble bitumen
41 Figure 2 — Glass link stirrer (all-glass stirrer, 19/26 joint size or equivalent)
42 Figure 3 — Pivoted polytetrafluoroethylene blade stirrer
Figure 4 — CO2 supply tube
43 Bibliography

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BS EN 12697-4:2015 - TC
$134.27