eLibrary >
BS ISO 19722:2017 Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for determination of photocatalytic activity on semiconducting photocatalytic materials by dissolved oxygen consumption >
BS ISO 19722:2017 Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for determination of photocatalytic activity on semiconducting photocatalytic materials by dissolved oxygen consumption, 2017
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols
- 5 Principle
- 6 Materials
- 6.1 Reagent
- 6.2 Purified water
- 6.3 Purified air
- 6.4 Purified water saturated with dissolved oxygen
- 6.5 Test solution
- 7 Test apparatus
- 7.1 General
- 7.2 Ultraviolet (UV) — Irradiation light source
- 7.3 UV radiometer
- 7.4 UV light intensity
- 7.5 DO analyser
- 7.6 Magnetic stirrer and magnetic stirring bar
- 8 Arrangement of test method
- 8.1 Measuring device setup
- 8.2 Test vessel and implement
- 9 Test material
- 9.1 Powder test sample
- 9.2 Film test piece
- 10 Procedure of the measurement
- 10.1 Test temperature
- 10.2 Preparation of water
- 10.3 Powder test sample
- 10.3.1 Preparation of suspension from powder test sample
- 10.3.2 Procedure of the measurement
- 10.4 Film test piece
- 10.4.1 Preparation of film test piece
- 10.4.2 Procedure of the measurement
- 10.5 Blank POD(%)
- 11 Evaluation of results
- 11.1 General
- 11.2 Evaluation of POD
- 12 Test report
- Annex A (informative) Example of suitable measuring device component
- Annex B (informative) Example of suitable test vessel and implement
- Annex C (informative) Example of test position of test vessel
- Annex D (informative) Example of a data evaluation
- Annex E (informative) Results of the interlaboratory test
- Bibliography [Go to Page]