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BS ISO 22197-4:2021 – TC

BS ISO 22197-4:2021 – TC

$134.27

Tracked Changes. Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for air-purification performance of semiconducting photocatalytic materials – Removal of formaldehyde

Published By Publication Date Number of Pages
BSI 2021 40
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PDF Catalog

PDF Pages PDF Title
1 30441695
23 A-30425874
24 National foreword
28 Foreword
29 1 Scope
2 Normative references
3 Terms and definitions
30 4 Symbols
5 Principle
31 6 Apparatus
6.1 Test equipment
33 6.2 Test gas supply
34 6.3 Photoreactor
6.4 Light source
6.5 Analytical system
7 Test piece
8 Procedure
8.1 General aspects
35 8.2 Pretreatment of test piece
8.3 Preparation for the test
36 8.4 Pretest
8.5 Removal test
9 Calculation
37 10 Test method for test pieces with lower performance
11 Test report
39 Bibliography

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BS ISO 22197-4:2021 - TC
$134.27