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GB/T 37247-2018: Test method for evaluating antifungal activity of photocatalytic materials and products
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| GB/T 37247-2018 | English | 199 |
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Test method for evaluating antifungal activity of photocatalytic materials and products
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GB/T 37247-2018
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Basic data | Standard ID | GB/T 37247-2018 (GB/T37247-2018) | | Description (Translated English) | Test method for evaluating antifungal activity of photocatalytic materials and products | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q32 | | Classification of International Standard | 07.100.99 | | Word Count Estimation | 10,173 | | Date of Issue | 2018-12-28 | | Date of Implementation | 2019-11-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 37247-2018: Test method for evaluating antifungal activity of photocatalytic materials and products
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Test method for evaluating antifungal activity of photocatalytic materials and products
ICS 07.100.99
Q32
National Standards of People's Republic of China
Photocatalytic materials and products antifungal properties
Test method and evaluation
Published on.2018-12-28
2019-11-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Principle 1
5 material 2
6 instruments and equipment 3
7 test sample preparation 4
8 Test procedure 4
9 calculation 6
10 Antifungal Performance Evaluation 7
11 Test report 7
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Building Materials Federation.
This standard is under the jurisdiction of the National Industrial Ceramics Standardization Technical Committee (SAC/TC194).
This standard was drafted. Guangdong Institute of Microbiology, Shandong Yikang Environmental Technology Co., Ltd., Guangzhou Industrial Microbiology Testing Center, Jiang
Su Lang Yi Environmental Technology Co., Ltd., Institute of Physics and Chemistry, Chinese Academy of Sciences, Naqi Environmental Technology Co., Ltd., Zhongshan Jinlibao Adhesive Products
Co., Ltd., China Photographic Society Photocatalysis Professional Committee.
The main drafters of this standard. Xie Xiaobao, Jin Fang, Zheng Sujiang, Liu Wenxiu, Li Yiyuan, Zhu Li, Feng Guizhen, Chen Xinliang, Dai Wenxin, Cao Wenbin,
Yu Jianqiang, Li Yongli, and Park Lingxi.
Photocatalytic materials and products antifungal properties
Test method and evaluation
1 Scope
This standard specifies the terms and definitions, principles, materials, equipment, and test samples for the antifungal performance test methods of photocatalytic materials and products.
Tablet preparation, test procedures, calculations, antimicrobial performance evaluation, and test reports.
This standard is applicable to photocatalytic materials and products that produce antifungal properties under illumination, and requires the surface of the sample to be flat.
Glass, ceramics, metals, plastics and coatings.
This standard does not apply to porous materials, fibrous materials and their products.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 6682 Analytical laboratory water specifications and test methods
YY0569 Class II biological safety cabinet
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Photocatalyst photocatalyst
A substance that produces a catalytic effect when excited by a certain light source.
3.2
Photocatalytic material photocatalyticmaterials
A material that contains or uses a photocatalyst and has photocatalytic properties.
3.3
Antifungal performance antifungalactivity
The ability to inhibit the germination of fungal spores and inactivate fungal spores is characterized by an antifungal rate.
3.4
Antifungal rate antifungalrate
In the photocatalytic antifungal test, the percentage of photocatalytic samples compared to the number of viable fungi of the control samples was reduced.
4 Principle
The photocatalytic material has the ability to inhibit the growth and reproduction of the fungus, and the fungus inoculated on the photocatalytic material loses its vitality under illumination conditions.
After illumination, the viable fungi on the swatch can be eluted and grown on agar medium to form countable fungal colonies. By comparison
Antifungal rate to evaluate the antifungal properties of photocatalytic materials and articles.
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