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GB/T 14353.8-2010 English PDF

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GB/T 14353.8-2010: Methods for chemical analysis of copper ores, lead ores and zinc ores -- Part 8: Determination of bismuth content
Status: Valid

GB/T 14353.8: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 14353.8-2010English139 Add to Cart 3 days [Need to translate] Methods for chemical analysis of copper ores, lead ores and zinc ores -- Part 8: Determination of bismuth content Valid GB/T 14353.8-2010
GB/T 14353.8-1993English199 Add to Cart 2 days [Need to translate] Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of bismuth content. Hydride generationatomic fluorescence spectrometric method Obsolete GB/T 14353.8-1993

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Basic data

Standard ID GB/T 14353.8-2010 (GB/T14353.8-2010)
Description (Translated English) Methods for chemical analysis of copper ores, lead ores and zinc ores -- Part 8: Determination of bismuth content
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard D40
Classification of International Standard 73.060
Word Count Estimation 6,642
Date of Issue 2010-11-10
Date of Implementation 2011-02-01
Older Standard (superseded by this standard) GB/T 14353.8-1993
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 copper ore, determination of lead ores and zinc ores of bismuth content. This section applies to copper ore, determination of lead ores and zinc ores of bismuth content. Measuring range: 0. 1��g/g ~ 200��g/g of bismuth.

GB/T 14353.8-2010: Methods for chemical analysis of copper ores, lead ores and zinc ores -- Part 8: Determination of bismuth 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 copper ores, lead ores and zinc ores.Part 8. Determination of bismuth content ICS 73.060 D40 National Standards of People's Republic of China Replacing GB/T 14353.8-1993 Copper ores lead ores and zinc ores - Methods for chemical analysis Part 8. Determination of the amount of bismuth Methodsforchemicalanalysisofcopperores, leadoresandzincores- Part 8. Determinationofbismuthcontent 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

Foreword

GB/T 14353 "copper ores lead ores and zinc ores chemical analysis method" is divided into 18 parts. --- Part 1. Determination of copper content; --- Part 2. Determination of lead content; --- Part 3. Determination of the amount of zinc; --- Part 4. Determination of cadmium content; --- Part 5. Determination of nickel content; --- Part 6. Determination of cobalt content; --- Part 7. Determination of arsenic content; --- Part 8. Determination of the amount of bismuth; --- Part 9. Determination of molybdenum; --- Part 10. Determination of tungsten; --- Part 11. determination of silver; --- Part 12. Determination of sulfur content; --- Part 13. the amount of gallium, indium and thallium amount for determination; --- Part 14. Determination of germanium content; --- Part 15. Determination of the amount of selenium; --- Part 16. Determination of tellurium content; --- Part 17. Determination of the amount of thallium; --- Part 18. the amount of copper, lead content, the amount of zinc, cobalt and nickel content determination. This section GB/T 14353 Part 8. This Part replaces GB/T 14353.8-1993 "copper ores lead ores and zinc ores - Methods for chemical analysis Hydride atomic fluorescence Determination of bismuth content "spectrophotometric method. Section compared with the GB/T 14353.8-1993, major changes in the following. --- 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. the Shaanxi Provincial Institute of Experimental Geology and Mineral Resources. The main drafters of this section. Tian Ping, Dong Yani. This part of the standard replaces the previous editions are. --- GB/T 14353.8-1993. Copper ores lead ores and zinc ores - Methods for chemical analysis Part 8. Determination of the amount of bismuth Warning. Use of this section a person should be subject to the relevant professional and technical training, with some work experience. This section does not indicate 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 Scope

GB/T 14353 in this section specifies the method for determination of copper ores lead ores and zinc ores of bismuth content. This section applies to copper ore, determination of bismuth content of lead ores and zinc ores. Measuring range. 0.1μg/g ~ 200μg/g of bismuth.

2 Normative references

The following documents contain provisions which, through reference GB/T 14353 in this section constitute provisions of this part of the dated reference documents Member, all subsequent amendments (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 Principle 3 Sample with aqua regia decomposition under acidic conditions, thiourea as a masking agent, and bismuth potassium borohydride hydrogenation reaction of bismuth by a carrier gas (argon) with The quartz atomizer, thermal decomposition of bismuth atomic state, under the irradiation of bismuth special hollow cathode lamp, the ground state of bismuth atoms are excited to high energy state, then Activated to the ground state, emitting a characteristic wavelength of fluorescence, within a certain range of concentrations, and fluorescence intensity is directly proportional to the amount of bismuth with standard series Comparison of quantitative determination of the element bismuth.

4 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. 4.1 hydrochloric acid (ρ1.19g/mL), pure class distinctions. 4.2 nitrate (ρ1.42g/mL), pure class distinctions. 4.3 aqua regia (11). 75mL hydrochloric acid (4.1) plus 25mL of nitric acid (4.2) was mixed with 100mL of water, using now. 4.4 hydrochloride (19). 4.5 thiourea solution (100g/L). Weigh 10.0g of thiourea was dissolved in 100mL of water, mix, using now. 4.6 Potassium hydroxide solution (2g/L). Weigh 2g of potassium hydroxide dissolved in 1000mL of water, and mix. 4.7 solution of potassium borohydride (10g/L). Weigh 10g of potassium borohydride dissolved in 1000mL potassium hydroxide solution (4.6), and mix well. If impurities, with cotton filter back now With the existing service. 4.8 bismuth standard solution preparation.

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