GB/T 14352.8-2010 English PDFUS$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 14352.8-2010: Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 8: Determination of nickel content Status: Valid GB/T 14352.8: Historical versions
Basic dataStandard ID: GB/T 14352.8-2010 (GB/T14352.8-2010)Description (Translated English): Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 8: Determination of nickel content Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: D40 Classification of International Standard: 73.060 Word Count Estimation: 9,944 Date of Issue: 2010-11-10 Date of Implementation: 2011-02-01 Older Standard (superseded by this standard): GB/T 14352.8-1993 Quoted Standard: GB/T 6682; GB/T 14505 Regulation (derived from): National Standard Approval Announcement 2010 No.8 (Total No.163) Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This standard specifies the tungsten ores, determination of molybdenum ores of nickel content. This section applies to tungsten ores, determination of molybdenum ores of nickel content. Measuring range: Polarographic 5 ��g/g ~ 500 ��g/g of nickel, flame atomic absorption spectrophotometry to 10 ��g/g ~ 1000 ��g/g of nickel. GB/T 14352.8-2010: Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 8: Determination of nickel content---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. Methods for chemical analysis of tungsten ores and molybdenum ores Part 8. Determination of nickel content ICS 73.060 D40 National Standards of People's Republic of China Replacing GB/T 14352.8-1993 Tungsten ores and molybdenum ores - Methods for chemical analysis Part 8. Determination of nickel content Part 8. Determinationofnickelcontent Issued on. 2010-11-10 2011-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordGB/T 14352 "tungsten ores and molybdenum ores chemical analysis methods," a total of 18 parts. --- Part 1. Determination of tungsten; --- Part 2. Determination of molybdenum; --- Part 3. Determination of copper content; --- Part 4. Determination of lead content; --- Part 5. Determination of the amount of zinc; --- Part 6. Determination of cadmium content; --- Part 7. Determination of cobalt content; --- Part 8. Determination of nickel content; --- Part 9. Determination of sulfur content; --- Part 10. Determination of arsenic content; --- Part 11. Determination of the amount of bismuth; --- Part 12. determination of silver; --- Part 13. Determination of tin; --- Part 14. Determination of gallium; --- Part 15. Determination of germanium content; --- Part 16. Determination of the amount of selenium; --- Part 17. Determination of tellurium content; --- Part 18. Determination of the amount of rhenium. This section GB/T Part of 814,352. This Part replaces GB/T 14352.8-1993 "tungsten ores and molybdenum ores chemical analysis method in dimethylglyoxime - sulfosalicylic acid - ammonium hydroxide - Determination of nickel "chloride medium polarographic method. Section compared with the GB/T 14352.8-1993, major changes in the following. --- Method for increasing flame atomic absorption spectrometric method for the determination of nickel content; --- Increased alert, warnings; --- Modify the sample drying temperature. Appendix A of this section is an informative annex. This section presents the People's Republic of China Ministry of Land Resources. This part of the National Standardization Technical Committee under the jurisdiction of Land and Resources. This section is responsible for drafting. National geology test center. This section is drafted. Jiangsu Provincial Institute of Geological Survey (Ministry of Land and Mineral Resources Supervision and Testing Center, Nanjing). The main drafters of this section. Guangming, Tang Zhiyun Jiang Ye. This part of the standard replaces the previous editions are. --- GB/T 14352.8-1993. Tungsten ores and molybdenum ores - Methods for chemical analysis Part 8. Determination of nickel content Warning. Use of this section a person shall be regular laboratory work experience. This section does not indicate that all possible security issues. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.1 ScopeThis section GB/T 14352 specifies the method for the determination of tungsten ores and molybdenum ores in nickel content. This Part applies to tungsten ores and determination of nickel content of molybdenum ore. Measurement range. Polarography 5μg/g ~ 500μg/g nickel, flame atomic absorption spectrophotometry to 10μg/g ~ 1000μg/g Nickel.2 Normative referencesThe following documents contain provisions which, through reference GB/T 14352 in this section constitute provisions of this section. For dated reference documents Member, all subsequent repair orders (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 14505 method for chemical analysis of rocks and ores General rules and regulations 3 dimethylglyoxime - sulfosalicylic acid - ammonia - ammonium chloride polarography 3.1 Principle Sample by alkali fusion, the flooding, nickel, cobalt, iron hydroxide was precipitated may be separated from zinc, tungsten, molybdenum, tin, arsenic, vanadium, chromium and other elements. Salt Acid medium, with tributyl phosphate extraction resin separation and most of the iron in ammonia - ammonium chloride - sulfosalicylic acid - dimethylglyoxime base solution, the peak potential of about Is -1.00V (saturated calomel electrode), catalytic peak current values \u200b\u200bmeasured oscillopolarography derivative portion of nickel dimethylglyoxime produced calculate the amount of nickel. 3.2 Reagents Unless otherwise stated in this section are consistent with the use of analytical reagent and GB/T 6682 analytical laboratory use in the analysis. 3.2.1 sodium peroxide. 3.2.2 sodium hydroxide. 3.2.3 tributyl phosphate extraction resin (also available Polytrifluorochloroethylene - tributyl phosphate homemade). 3.2.4 ethanol. 3.2.5 perchloric acid (ρ1.67g/mL), Warning. explosive materials, careful 3.2.6 hydrochloric acid (11). 3.2.7 hydrochloric acid (199). 3.2.8 Sodium hydroxide solution (10g/L). 3.2.9 sulfosalicylic acid solution c [(HO) (C6H3COOH) SO3H · 2H2O] = 2mol/L. 3.2.10 ammonia solution (11). 3.2.11 ammonium chloride solution c (NH4Cl) = 5mol/L. 3.2.12 dimethylglyoxime in ethanol (10g/L). 3.2.13 Nickel standard solution. ...... |
