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BS ISO 19810:2023 – TC

BS ISO 19810:2023 – TC

$134.27

Tracked Changes. Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for self-cleaning performance of semiconducting photocatalytic materials under indoor lighting environment. Measurement of water contact angle

Published By Publication Date Number of Pages
BSI 2023 42
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PDF Catalog

PDF Pages PDF Title
24 National foreword
28 Foreword
29 1 Scope
2 Normative references
3 Terms and definitions
31 4 Principle
5 Test apparatus
5.1 Instruments and apparatus
32 5.2 Reagents
5.3 Laboratory temperature and humidity
6 Test piece preparation
33 7 Test procedures
7.1 Measurement of water contact angle
7.2 Test piece pretreatment
34 7.3 Visible light irradiation and measurement of contact angle after n h of visible light irradiation,θ4(n)
7.3.1 Measurement of illuminance and preparation of test piece placement location
7.3.2 Measurement of contact angle after n h of visible light irradiation,θ4(n)
36 8 Calculation of test results
8.1 Guide to the rounding of numbers
8.2 Calculation of contact angle
37 8.3 Conditions for a valid test
8.4 Initial contact angle halving time,n1/2
8.5 Contact angle reduction time,n10°
38 9 Reporting of test results
10 Test measurement examples
40 Bibliography

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BS ISO 19810:2023 - TC
$134.27