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GB/T 45762-2025: Fine ceramics - Light source for testing semiconducting photocatalytic materials used under indoor lighting environment
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Fine ceramics - Light source for testing semiconducting photocatalytic materials used under indoor lighting environment
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Standard similar to GB/T 45762-2025 GB 34914 | GB/T 38979 | GB/T 27979 | GB/T 31703 | GB/T 45767 | Basic data | Standard ID | GB/T 45762-2025 (GB/T45762-2025) | | Description (Translated English) | Fine ceramics - Light source for testing semiconducting photocatalytic materials used under indoor lighting environment | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q32 | | Classification of International Standard | 81.060.30 | | Word Count Estimation | 11,120 | | Date of Issue | 2025-06-30 | | Date of Implementation | 2026-01-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 45762-2025: Fine ceramics - Light source for testing semiconducting photocatalytic materials used under indoor lighting environment
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT45762-2025
ICS 81.060.30
CCSQ32
National Standard of the People's Republic of China
Semiconductors in fine ceramic indoor lighting environments
Light source for photocatalytic material testing
Released on June 30, 2025
Implementation on January 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document is modified to adopt ISO 14605.2013 “Fine ceramics (advanced ceramics, advanced technical ceramics) – Semiconductors for indoor lighting environments”
Light Source for Photocatalytic Material Testing.
This document has many technical differences compared to ISO 14605.2013.
A list of these technical differences and their causes is given in Appendix A.
The following editorial changes have been made to this document.
--- To coordinate with the existing standard, the name of the standard will be changed to "Test Method for Semiconductor Photocatalytic Materials in Fine Ceramics Under Indoor Lighting Environments"
light source";
--- In Chapter 5, the text content was converted into diagrams to make the expression clearer;
--- Deleted the vertical axis arrows in Figures 1, 2, 3 and 4;
--- In Chapter 3, Terms and Definitions, the informative reference IEC 60050-845 was deleted;
--- Added Appendix A (informative) "Technical differences between this document and ISO 14605.2013 and their causes".
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed by China Building Materials Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Industrial Ceramics (SAC/TC194).
This document was drafted by. Shanghai Times Lighting Electrical Appliance Testing Co., Ltd., East China Normal University, Shandong Zhongjiao Jinyuan Instrument Equipment Co., Ltd.
Co., Ltd., Shenzhen Shenzhongyuan Technology Co., Ltd., Foshan Electrical Lighting Co., Ltd., Jining Quality Metrology Inspection and Testing Institute, Guangdong
Dongsanxiong Aurora Lighting Co., Ltd., Shandong Dongshun Technology Co., Ltd., Zhongshan Zedong Lighting Co., Ltd., Shandong Industrial Ceramics Research Institute
Institute of Design Co., Ltd., Ningbo Pingrong Metal Products Co., Ltd., and Chaozhou Chaoan District Niels Ceramics Industrial Co., Ltd.
The main drafters of this document are. Yang Wei, Li Qiang, Cai Chunshui, Nie Huangyan, Zhang Zutao, Miao Fei, Yang Xifeng, Ju Jiaqi, Xue Shengxing, Liu Lei, Zhang Meng,
Jiang Lili, Chen Ping'er, and Su Guoxing.
Semiconductors in fine ceramic indoor lighting environments
Light source for photocatalytic material testing
1 Scope
This document specifies the light source for testing the performance of fine ceramic semiconductor photocatalytic materials under indoor lighting conditions (excluding natural light penetration).
Test requirements.
This document is applicable to the electro-optical detection of different catalytic processes and catalytic tests of fine ceramic semiconductors.
Note. Catalytic tests include photolysis of water to produce hydrogen, photodegradation of pollutants, simulated sunlight accelerated tests, etc.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 10682 Double-capped fluorescent lamps performance requirements (GB/T 10682-2010, IEC 60081.2005, NEQ)
GB/T 15041 High-pressure short-arc xenon lamp
GB/T 24823 Performance Specification for LED Modules for General Lighting (GB/T 24823-2024, IEC 62717.2019, MOD)
GB/T 26180 Methods of Expression and Measurement of Color Rendering Properties of Light Sources (GB/T 26180-2010, CIE13.3.1995, IDT)
GB/T 30809 Ultraviolet light sources for testing photocatalytic material properties
GB/T 39388 Performance Characterization Methods for Illuminance and Luminance Meters (GB/T 392388-2020, CIES023/E.2013, IDT)
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
An indoor artificial light lighting environment that excludes the penetration of natural light.
3.2
TCP
On the modified 1976 UCS diagram, the coordinates of the Planck locus and the test color stimulus are represented by u'.
3v'
It means that when the Planck radiator is
The temperature at which the chromaticity of a given spectral distribution is closest.
[Source. GB/T 2900.65-2023, 845-23-068, modified]
3.3
Ra
The average value of the CIE1974 specific color rendering index for a specified set of 8 test color samples.
[Source. GB/T 2900.65-2023, 845-22-111, modified]
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