BS ISO 21066:2018
$142.49
Fine ceramics (advanced ceramics, advanced technical ceramics). Qualitative and semiquantitative assessment of the photocatalytic activities of surfaces by the reduction of resazurin in a deposited ink film
| Published By | Publication Date | Number of Pages |
| BSI | 2018 | 24 |
This document specifies a method, the Resazurin (Rz) ink test, for the qualitative assessment of the activity of a photocatalytic surface, and its classification as below, within, or above the applicable range of the test. The method then allows for the subsequent semiquantitative evaluation of the activities of photocatalytic surfaces that are within the applicable range of the test. In all cases, artificial ultraviolet (UV) radiation is used.
The test method specified is appropriate for use with all flat, smooth, photocatalytic surfaces, which are not macroporous, examples of which include: commercial photocatalytic glass, paint, tiles and awning materials. The method is not applicable to assessing the visible-light activity of photocatalytic surfaces, nor their ability to effect: air purification, water purification, self-cleaning or disinfection, although some relevant correlations have been reported[4][5].
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 6 | Foreword |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions |
| 8 | 4 List of symbols, abbreviations and units |
| 9 | 5 Principle 5.1 General 5.2 Qualitative test method (three samples) 5.3 Semiquantitative test method (eight samples) |
| 10 | 6 Apparatus 6.1 Coating device 6.2 UV-radiation light source 6.3 UV radiometer 6.4 Irradiation system |
| 11 | 6.5 Digital imaging device and analysis software |
| 12 | 7 Materials 7.1 Rz ink preparation 7.1.1 Dye purity test (if purity is unknown) |
| 13 | 7.1.2 Ink preparation 7.2 Rz ink quality assurance 8 Test sample 8.1 Preparation of test samples 8.2 Cleaning of test samples |
| 14 | 8.3 Coating test samples with Rz ink |
| 15 | 9 Procedure for the qualitative assessment of activity 9.1 General 9.2 Procedure 10 Procedure for the semiquantitative assessment of activity 10.1 General |
| 16 | 10.2 Procedure 10.3 Digital image (RGB) analysis (for one sample) |
| 17 | 10.4 Data analysis |
| 18 | 11 Test report 11.1 Qualitative assessment of activity 11.2 Semiquantitative assessment of activity |
| 19 | Annex A (informative) Example of Rz ink qualitative test report on samples of a commercial type of photocatalyst-based, self-cleaning glass |
| 20 | Annex B (informative) Example of Rz ink semiquantitative test report on samples of a commercial type of photocatalyst-based, self-cleaning glass[8] |
| 22 | Annex C (informative) Results of inter-laboratory test |
| 23 | Bibliography |
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ISO 21066:2018
Fine ceramics (advanced ceramics, advanced technical ceramics) — Qualitative and semiquantitative assessment of the photocatalytic…
