GB/T 25210-2021 PDF EnglishUS$155.00 · In stock · Download in 9 seconds
GB/T 25210-2021: Commercial coal quality - Coal for medium and low temperature pyrolysis Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 25210: Historical versions
Similar standardsGB/T 25210-2021: Commercial coal quality - Coal for medium and low temperature pyrolysis---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/GBT25210-2021NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 73.040 CCS D 20 Replacing GB/T 25210-2010 Commercial Coal Quality - Coal for Medium and Low Temperature Pyrolysis Issued on: DECEMBER 31, 2021 Implemented on: JULY 1, 2022 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of ContentsForeword... 3 1 Scope... 4 2 Normative References... 4 3 Terms and Definitions... 5 4 Product Quality Grade and Technical Requirements... 5 5 Test Methods... 6 6 Inspection Rules... 7 7 Marking, Transportation and Storage... 8 Appendix A (informative) Product Catalog... 10 Commercial Coal Quality - Coal for Medium and Low Temperature Pyrolysis1 ScopeThis document specifies the product quality grade and technical requirements, test methods, inspection rules, marking, transportation and storage of coal for medium and low temperature pyrolysis. This document is applicable to the coal for medium and low temperature pyrolysis in various links. production, processing, storage and transportation, sales and application, etc.2 Normative ReferencesThe contents of the following documents constitute indispensable clauses of this document through the normative references in this text. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document. GB/T 212 Proximate Analysis of Coal GB/T 214 Determination of Total Sulfur in Coal GB/T 216 Determination of Phosphorus in Coal GB/T 474 Method for Preparation of Coal Sample GB/T 475 Method for Manual Sampling of Commercial Coal GB/T 1341 Gray-King Assay of Coal GB/T 3058 Determination of Arsenic in Coal GB/T 3558 Determination of Chlorine in Coal GB/T 5751 Chinese Classification of Coals GB/T 16659 Determination of Mercury in Coal GB/T 19494.1 Mechanical Sampling of Coal - Part 1.Method for Sampling GB/T 19494.2 Mechanical Sampling of Coal - Part 2.Method for Sample Preparation GB/T 25209 Commercial Coal Marking the slow ashing method in GB/T 212. 5.3 Total Sulfur The determination of total sulfur of the coal shall be performed in accordance with GB/T 214 or GB/T 25214.The arbitration shall be performed in accordance with the Eschka method in GB/T 214. 5.4 Phosphorus Content The determination of phosphorus content in the coal shall be performed in accordance with GB/T 216. 5.5 Chloride Content The determination of chloride content in the coal shall be performed in accordance with GB/T 3558. 5.6 Arsenic Content The determination of arsenic content in the coal shall be performed in accordance with GB/T 3058. 5.7 Mercury Content The determination of mercury content in the coal shall be performed in accordance with GB/T 16659 or SN/T 3511.6 Inspection Rules6.1 Batch The products shall be inspected by batches. 6.2 Sample Collection and Preparation Samples shall be collected in accordance with the stipulations of GB/T 475 or GB/T 19494.1 and prepared in accordance with the stipulations of GB/T 474 or GB/T 19494.2. 6.3 Exit-factory Inspection Manufacturers and distributors shall carry out exit-factory inspection in accordance with the inspection items required in Table 4. 7.1.1 The produced and sold commercial coal for medium and low temperature pyrolysis shall be marked in accordance with the stipulations of GB/T 25209. 7.1.2 The accompanying documents that identify the circulation of the commercial coal for medium and low temperature pyrolysis shall include, but not be limited to the following contents. ---product name; ---quantity; ---place of origin; ---nominal maximum particle size and appearance description; ---main coal quality indexes, which shall include, but are not limited to the indexes specified in Chapter 4; ---others. name and address, date of production, batch No. and file No. of the manufacturer or distributor. 7.1.3 The markings shall be made of water-proof, anti-corrosion and non-breakable materials. 7.2 Transportation and Storage The transportation and storage of the coal for medium and low temperature pyrolysis shall be dust-proof, rain-proof, moisture-proof and kept away from fire sources. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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