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GB/T 14353.11-2010 English PDF

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GB/T 14353.11-2010: Methods for chemical analysis of copper ores, lead ores and zinc ores -- Part 11: Determination of silver content
Status: Valid

GB/T 14353.11: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 14353.11-2010English139 Add to Cart 3 days [Need to translate] Methods for chemical analysis of copper ores, lead ores and zinc ores -- Part 11: Determination of silver content Valid GB/T 14353.11-2010
GB/T 14353.11-1993English199 Add to Cart 2 days [Need to translate] Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of silver content. Flame atomic absorption spectrometric method Obsolete GB/T 14353.11-1993

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Basic data

Standard ID GB/T 14353.11-2010 (GB/T14353.11-2010)
Description (Translated English) Methods for chemical analysis of copper ores, lead ores and zinc ores -- Part 11: Determination of silver content
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard D40
Classification of International Standard 73.060
Word Count Estimation 6,629
Date of Issue 2010-11-10
Date of Implementation 2011-02-01
Older Standard (superseded by this standard) GB/T 14353.11-1993
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 silver content. This standard applies to copper ore, determination of lead ores and zinc ores of silver content. Measuring range: 10��g/g ~ 500��g/g of silver.

GB/T 14353.11-2010: Methods for chemical analysis of copper ores, lead ores and zinc ores -- Part 11: Determination of silver 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 11. Determination of silver content ICS 73.060 D40 National Standards of People's Republic of China Replacing GB/T 14353.11-1993 Copper ores lead ores and zinc ores - Methods for chemical analysis Part 11. Determination of silver content Methodsforchemicalanalysisofcopperores, leadoresandzincores- Part 11. Determinationofsilvercontent 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 11. This Part replaces GB/T 14353.11-1993 "copper ores lead ores and zinc ores - Methods for chemical analysis by flame atomic absorption spectrophotometry Determination of silver content "method. Section compared with the GB/T 14353.11-1993, 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. Wang Shan, Li Osamu. This part of the standard replaces the previous editions are. --- GB/T 14353.11-1993. Copper ores lead ores and zinc ores - Methods for chemical analysis Part 11. Determination of silver content Warning. Use of this standard should be subject to the relevant professional staff of technical training, with some work experience. This standard does not point out 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 provisions of this part of the copper ores lead ores and zinc ores - Determination of silver content. This section applies to copper ores, lead ores and zinc ores - Determination of silver content. Measuring range. 10μg/g ~ 500μg/g of silver.

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 After the sample at 600 ℃ burning, first with hydrofluoric acid, perchloric acid decomposition, evaporated to dryness. And then to the king aqueous paste of ammonia from the flooding. Ammonia at 20% An aqueous medium, using air - acetylene flame at the wavelength at 324.7nm by atomic absorption spectrophotometer absorbance was measured to calculate the amount of silver.

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 perchloric acid (ρ1.67g/mL), Warning. explosive materials, careful 4.2 hydrofluoric acid (ρ1.13g/mL), Warning. toxic hydrofluoric acid, is highly corrosive, the operation should wear gloves to prevent skin contact 4.3 hydrochloride (ρ1.19g/mL). 4.4 aqua regia (HCl HNO3 = 3 1), freshly prepared. 4.5 Aqueous ammonia (11). 4.6 ammonia (28). Silver Standard Solution 4.7. a) silver standard stock solution [ρ (Ag) = 200.0μg/mL]. Weigh 0.1575g of silver nitrate (excellent pure) (at 105 ℃ ~ 110 ℃ Dried 2H), placed in 200mL beaker, was added aqueous ammonia (4.6) is completely dissolved and transferred to 500mL brown with aqueous ammonia (4.6) Volumetric flask, dilute to the mark, shake; b) silver standard solution [ρ (Ag) = 20.0μg/mL]. Pipette 20.00mL silver standard stock solution [4.7a)], placed in 200mL capacity Volumetric flask, dilute to the mark with ammonia (4.6); c) silver standard solution [ρ (Ag) = 5.0μg/mL]. Pipette 25.00mL silver standard solution [4.7b)], placed in 100mL capacity Flask with ammonia (4.6) diluted to the mark.

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