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GB/T 20475.5-2020: Classification for content of harmful elements in coal - Part 5: Fluorine
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 20475.5-2020 | English | 119 |
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Classification for content of harmful elements in coal - Part 5: Fluorine
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GB/T 20475.5-2020
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Basic data | Standard ID | GB/T 20475.5-2020 (GB/T20475.5-2020) | | Description (Translated English) | Classification for content of harmful elements in coal - Part 5: Fluorine | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D20 | | Classification of International Standard | 73.040 | | Word Count Estimation | 6,627 | | Date of Issue | 2020-03-06 | | Date of Implementation | 2020-10-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 20475.5-2020: Classification for content of harmful elements in coal - Part 5: Fluorine---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Classification for content of harmful elements in coal - Part 5.Fluorine
ICS 73.040
D20
National Standards of People's Republic of China
Classification of harmful elements in coal. Part 5.Fluorine
2020-03-06 released
2020-10-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Foreword
GB/T 20475 "Classification of Hazardous Elements in Coal" is divided into 5 parts.
---Part 1.Phosphorus;
---Part 2.Chlorine;
---Part 3.Arsenic;
---Part 4.Mercury;
---Part 5.Fluorine.
This part is Part 5 of GB/T 20475.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
This part was proposed by the China Coal Industry Association.
This part is under the jurisdiction of the National Coal Standardization Technical Committee (SAC/TC42).
Drafting organizations of this section. Coal Science and Technology Research Institute Co., Ltd., Shenhua Sales Group Co., Ltd., Huainan Mining (Group) Co., Ltd.
Ren company, Xuzhou City Quality and Technical Supervision Comprehensive Inspection and Testing Center, Shanxi Provincial Coal Industry Department Comprehensive Testing Center.
The main drafters of this section. Bai Xiangfei, Ding Hua, Li Dong, Yang Lin, Ni Lin, Jia Junping, Wang He, Sun Changqing, Zhai Zhengjiang, Lu Xinlei, Lu Qijun.
Classification of harmful elements in coal. Part 5.Fluorine
1 Scope
This part of GB/T 20475 specifies the classification, naming and code of coal according to the dry base fluorine content w (Fd) range, and the mining of coal samples.
Take, prepare and measure.
This part is applicable to coal exploration, production and processing, sales and utilization.
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 474 Coal sample preparation method
GB/T 475 Commercial coal sample manual sampling method
GB/T 482 Coal Seam Coal Sample Collection Method
GB/T 4633 Method for determination of fluorine in coal
GB/T 19494.1 Mechanized coal sampling Part 1.Sampling method
GB/T 19494.2 Coal mechanized sampling Part 2.Coal sample preparation
MT/T 1034 Method of producing coal samples
3 Classification, naming and code of fluorine content in coal
See Table 1 for the classification, naming and code of fluorine content in coal.
4 Collection, preparation and determination of coal samples
4.1 Coal samples are taken in accordance with the regulations of GB/T 475, GB/T 482, GB/T 19494.1, and MT/T 1034.
4.2 Coal sample preparation shall be carried out in accordance with the regulations of GB/T 474 and GB/T 19494.2.
4.3 The determination of fluorine content in coal shall be carried out in accordance with the regulations of GB/T 4633.
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