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XB/T 607-2011: Test method of coating materials of catalyst for petrol vehicle emission purification
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Test method of coating materials of catalyst for petrol vehicle emission purification
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XB/T 607-2011
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Basic data | Standard ID | XB/T 607-2011 (XB/T607-2011) | | Description (Translated English) | Test method of coating materials of catalyst for petrol vehicle emission purification | | Sector / Industry | Rare Earth Metal Industry Standard (Recommended) | | Classification of Chinese Standard | H14 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 11,155 | | Date of Issue | 2011-12-20 | | Date of Implementation | 2012-07-01 | | Older Standard (superseded by this standard) | XB/T 607-2003 | | Quoted Standard | GB/T 5816; GB/T 6609.26; GB/T 8170; HJ/T 331-2006 | | Regulation (derived from) | Ministry of Industry and Information Technology Announcement No. 43 of 2011; Industry Standard Recording Announcement No. 9 of 2012 (Total No. 153); Ministry of Industry and Information Technology Announcement No. 23 of 2017 | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the semi-quantitative determination method of lanthanum, cerium, zirconium, barium, and aluminum content in gasoline vehicle exhaust purification catalyst coating materials, as well as the determination method of particle size, shedding rate, thickness, specific surface area and porosity. This standard applies to the semi-quantitative determination of lanthanum, cerium, zirconium, barium, and aluminum content in gasoline vehicle exhaust purification catalyst coating materials, as well as the determination of particle size, shedding rate, thickness, specific surface area and porosity. The measurement range is particle size 1 ��m��100 ��m; shedding rate is 0.05%��20%; thickness is 0.05 mm��1.00 mm; specific surface area is greater than 1 square meter/g, porosity is 1%��100%. | XB/T 607-2011: Test method of coating materials of catalyst for petrol vehicle emission purification
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Test method of coating materials of catalyst for petrol vehicle emission purification
ICS 77.120.99
H14
Rare Earth Industry Standard of the People's Republic of China
Replace XB/T 607-2003
Gasoline vehicle exhaust purification catalyst coating material
experiment method
2011-12-20 released
2012-07-01 implementation
Issued by the Ministry of Industry and Information Technology of the People's Republic of China
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces XB/T 607-2003 "Test Method for Gasoline Vehicle Exhaust Purification Catalyst Coating Material".
Compared with XB/T 607-2003, the main technical changes of this standard are as follows.
---The determination of barium and aluminum content has been added;
---Modified the determination method of lanthanum, cerium, zirconium, barium, and aluminum content, canceled the first part of the original standard spectroscopic qualitative determination method, adopted X
Fluorescence spectrum semi-quantitative test component percentage concentration;
---Modified the principle of the measurement method of the drop rate, canceled the original high-speed air condition to simulate the exhaust gas of a gasoline car, and adjusted it to the engine exhaust
Under high airspeed conditions, pressure and temperature changes will damage the firmness of the coating. The coating is characterized by measuring the coating shedding rate
strength;
---Modified the experimental conditions in the test procedure for the determination of the fall-off rate and adjusted it to be carried out according to the relevant regulations in HJ/T 331-2006
Set up.
This standard is under the jurisdiction of the National Rare Earth Standardization Technical Committee (SAC/TC229).
Drafting organization of this standard. Kunming Guiyan Catalyst Co., Ltd.
Participated in the drafting of this standard. China Nonferrous Metals Industry Standard Metrology and Quality Institute, Kunming University of Science and Technology.
The main drafters of this standard. Huan Yuanfeng, Hu Jin, Qin Qinggao, Gao Lan, Wang Kaijun, Wang Xianghong, Ji Yongbo.
The previous versions of the standard replaced by this standard are as follows.
---XB/T 607-2003.
Gasoline vehicle exhaust purification catalyst coating material
experiment method
1 Scope
This standard specifies the semi-quantitative determination method for the content of lanthanum, cerium, zirconium, barium, and aluminum in the catalyst coating material for gasoline vehicle exhaust purification, and
Measurement methods of degree, shedding rate, thickness, specific surface area and porosity.
This standard applies to the semi-quantitative determination of lanthanum, cerium, zirconium, barium, and aluminum content in gasoline vehicle exhaust purification catalyst coating materials, as well as particle size and desorption.
Measurement of drop rate, thickness, specific surface area and porosity. The measurement range is particle size 1μm~100μm; shedding rate is 0.05%~20%; thickness
0.05mm~1.00mm; specific surface area greater than 1m2/g; porosity 1%~100%.
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 5816 Determination of the surface area of catalysts and adsorbents
GB/T 6609.26 Alumina chemical analysis method and physical property determination method Determination of effective density Pycnometer method
GB/T 8170 Numerical rounding rules and the expression and determination of limit values
HJ/T 331-2006 Technical Requirements for Environmental Protection Products Catalytic Converters for Gasoline Vehicles
3 term
The following terms apply to this document.
3.1
Expulsionrate
The pressure and temperature of gasoline vehicle exhaust under high airspeed conditions damage the firmness of the coating, causing the coating to fall off, and the peeling rate is equal to the loss of the coating.
The ratio of the amount to the original mass, the symbol is δ, expressed as a percentage (%).
4 Semi-quantitative analysis of lanthanum, cerium, zirconium, barium and aluminum
4.1 Principle of the method
The sample was prepared by the tablet method, and the lanthanum, cerium, zirconium, barium, and aluminum in the catalyst coating material for gasoline vehicle exhaust purification were determined by X-ray fluorescence spectrometer.
The mass fraction of the content.
4.2 Reagents
4.2.1 Analysis of pure boric acid.
4.3 Apparatus and equipment
4.3.1 Balance with a sense of 0.01g.
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