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GB/T 39716-2020: Test method for air-purification performance of photocatalytic materials and products - Removal of nitric oxide
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Test method for air-purification performance of photocatalytic materials and products - Removal of nitric oxide
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GB/T 39716-2020
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Basic data | Standard ID | GB/T 39716-2020 (GB/T39716-2020) | | Description (Translated English) | Test method for air-purification performance of photocatalytic materials and products - Removal of nitric oxide | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q32 | | Classification of International Standard | 81.060.20 | | Word Count Estimation | 9,968 | | Date of Issue | 2020-12-14 | | Date of Implementation | 2021-07-01 | | Quoted Standard | GB/T 6682; GB/T 6920; GB/T 8170-2008; GB/T 11605; GB/T 14642; GB/T 30706; GB/T 30809 | | Regulation (derived from) | National Standard Announcement No. 28 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies the principles, test equipment, analysis methods and test reports of photocatalytic materials and products for the removal of nitrogen oxides from the air. This standard is applicable to the test of the removal of nitrogen oxides in the air by photocatalytic materials and products. | GB/T 39716-2020: Test method for air-purification performance of photocatalytic materials and products - Removal of nitric oxide
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(Test method for air purification performance of photocatalytic materials and products: removal of nitrogen oxides)
ICS 81:060:20
Q32
National Standards of People's Republic of China
Test method for air purification performance of photocatalytic materials and products
Nitrogen oxide removal
2020-12-14 release
2021-07-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
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):
Drafting organizations of this standard: Jiangsu Langyi Environmental Protection Technology Co:, Ltd:, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing Bofeilai Technology Co:, Ltd:
The company, Fuzhou University, Beijing Physical and Chemical Analysis and Testing Center, Guangdong Microbial Analysis and Testing Center, Beijing Weikang Environmental Protection Technology Co:, Ltd:,
University of Science and Technology Beijing, China Photographic Society, Beijing Indoor and Car Environmental Purification Association, Shandong Industrial Ceramics Research and Design Institute Co:, Ltd:
The main drafters of this standard: Dai Wenxin, Zhu Li, Zhu Yongfa, Only Jinfang, Xie Xiaobao, Liu Huan, Wang Xinxin, Cao Wenbin, Li Qingsheng, Liu Wenxiu,
Dong Fan, Gao Yuehong, Chen Changzhu, Cao Wenwei:
Test method for air purification performance of photocatalytic materials and products
Nitrogen oxide removal
1 Scope
This standard specifies the principles, test devices, analysis methods and tests of photocatalytic materials and products to remove nitrogen oxides from the air:
Reports and other content:
This standard is applicable to the test of the removal of nitrogen oxides in the air by photocatalytic materials and products:
2 Normative references
The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article
Pieces: For undated references, the latest version (including all amendments) applies to this document:
GB/T 6682 Analytical laboratory water specifications and test methods
GB/T 6920 Determination of pH value of water quality by glass electrode method
GB/T 8170-2008 Numerical rounding rules and the expression and determination of limit values
GB/T 11605 Humidity measurement method
GB/T 14642 Determination of fluorine, chlorine, phosphate, nitrite, nitrate and sulfate in industrial circulating cooling water and boiler water
Sub-chromatography
GB/T 30706 Test method and evaluation of antibacterial performance of photocatalytic antibacterial materials and products under visible light irradiation
GB/T 30809 UV light source for photocatalytic material performance testing
3 Terms and definitions
The following terms and definitions apply to this document:
3:1
Photocatalytic materials and products
Materials containing or using photocatalysts and having photocatalytic properties and various application products made of photocatalytic materials:
3:2
Zero-calibrationgas
High-purity air with pollutant content less than 0:01mL/m3:
4 Principle of the method
The sample made of photocatalytic material is placed in a flow photocatalytic reactor, and air containing nitric oxide (NO) pollutants is passed through:
After light irradiation, the reaction occurs, and the NO adsorbed on the surface is partially oxidized into nitrate, and part is converted into nitrogen dioxide (NO2), and the net is removed
The amount of addition characterizes the air purification ability of the sample: Among them, NO and NO2 are tested by chemiluminescence method, nitrate ion is eluted with pure water,
Sub-chromatographic determination:
Note: The net removal of nitrogen oxides (NOx) is calculated by subtracting the NO2 production from the NO removal:
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