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BS ISO 20804:2022

BS ISO 20804:2022

$142.49

Determination of the specific surface area of porous and particulate systems by small-angle X-ray scattering (SAXS)

Published By Publication Date Number of Pages
BSI 2022 32
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Symbols
12 5 Principle of the method
5.1 General
13 5.2 Ideal two-phase model
14 5.3 Porod law – Specific surface area
16 6 Apparatus
6.1 Optics – Focusing – Collimation – Resolution
18 6.2 Additional requirements for the absolute-scale method
7 Preliminary procedures and instrument set-up
19 8 Sample preparation
8.1 General
8.2 Degassing
9 Determination of the specific surface area
9.1 K/Q (‘Invariant’) method
21 9.2 Absolute-scale method
23 10 Documentation and test report
10.1 Test report
24 10.2 Technical records
25 Annex A (informative) Example of a typical experimental protocol
30 Bibliography

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BS ISO 20804:2022
$142.49