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YS/T 249-2011 English PDFStandard Briefing:Stadard ID: YS/T 249-2011Stadard Title: Dithiophosphate 25 Price (USD): 289 Lead day (Deliver True-PDF English version): 3 days Status: Valid Evolution and Historical Versions:
Basic Data:
Contents, Scope, and Excerpt:YS/T 249-2011 Dithiophosphate 25 ICS 71.100.40 H34 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 249-1994 25 black medicine 2011-12-20 release 2012-07-01 Implementation Issued by the Ministry of Industry and Information Technology of the People's Republic of China Preface This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces YS/T 249-1994 "No. 25 black medicine", compared with YS/T 249-1994, the main changes are as follows. --- This standard has been editorial changes; --- the new standard on the export of plastic packaging products packaging requirements; --- This standard changes the supplements of Appendix A to normative appendices; --- Appendix A of this standard has increased the specific formulation and calibration method of reagents. This standard is owned by the National Committee for the Standardization of Nonferrous Metals (SAC/TC243). This standard is responsible for drafting units. Tieling beneficiation Pharmacy Co., Ltd. The main drafters of this standard. Lin Yulan, Wang Guogang, Li Ying. This standard replaced the previous version of the standard release. --- YS/T 249-1994; --- GB 5148-1985; --- YB502-1976. 25 black medicine 1 Scope This standard specifies the requirements, test methods, inspection rules and packaging, marking, transport, storage and contract (or order) content. This standard applies to three-mixed cresol (m-cresol content of not less than 34%) and phosphorus pentasulfide as raw material synthesis of dark brown oily liquid body. Products with hydrogen sulfide odor and corrosive. Can be used as flotation copper sulfide mine, lead-zinc mine, nickel ore, copper and zinc and other sulfide ore and other mining and Foaming agent. 2 normative reference documents The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 325 packaging containers steel drums General rules for sampling of liquid chemical products GB/T GB/T 13508 polyethylene blown bucket GB/T 19161 Packaging Containers Composite Medium Bulk Containers Code for inspection of plastic drums for export of packaged goods 3 request 3.1 grades, chemical structures and product status The name, chemical structure, chemical name and product status of No. 25 black medicine shall comply with the requirements of Table 1. Table 1 No. 25 name of the black medicine, chemical structure, chemical name and product status Chemical name Chemical name Product status B2-01 Molecular formula. (C7H7O) 2PSSH Structure. Molecular weight. 310.366 (According to the.2008 international atomic weight) Xylphenol dithiophosphoric acid liquid ...... |