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GB/T 14353.14-2014: Methods for chemical analysis of copper ores, lead ores and zinc ores -- Part 14: Determination of germanium content
Status: Valid GB/T 14353.14: Evolution and historical versions
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| GB/T 14353.14-2014 | English | 229 |
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Methods for chemical analysis of copper ores, lead ores and zinc ores -- Part 14: Determination of germanium content
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GB/T 14353.14-2014
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| GB/T 14353.14-1993 | English | 199 |
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Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of germanium content. Phenylfluorone-cetyltrimethyl ammonium bromide photometric method after carbon tetrachloride extraction
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GB/T 14353.14-1993
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Basic data | Standard ID | GB/T 14353.14-2014 (GB/T14353.14-2014) | | Description (Translated English) | Methods for chemical analysis of copper ores, lead ores and zinc ores -- Part 14: Determination of germanium content | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D40 | | Classification of International Standard | 73.060 | | Word Count Estimation | 10,164 | | Date of Issue | 12/5/2014 | | Date of Implementation | 4/1/2015 | | Older Standard (superseded by this standard) | GB/T 14353.14-1993 | | Quoted Standard | GB/T 6682; GB/T 14505 | | Regulation (derived from) | Announcement of Newly Approved National Standards 2014 No. 27 | | 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 copper ore, lead ore measuring the amount of germanium and zinc ore Atomic Fluorescence Spectrometry. This Standard is applicable to copper ore, lead ore and zinc ore germanium atomic fluorescence spectrometry. Measuring range: 0. | GB/T 14353.14-2014: Methods for chemical analysis of copper ores, lead ores and zinc ores -- Part 14: Determination of germanium content
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Methods for chemical analysis of copper ores, lead ores and zinc ores Part 14. Determination of germanium content
ICS 73.060
D40
National Standards of People's Republic of China
Replacing GB/T 14353.14-1993
Copper ores lead ores and zinc ores - Methods for chemical analysis
Part 14. Determination of the amount of germanium
Methodsforchemicalanalysisofcopperores, leadoresandzincore-
Part 14. Determinationofgermaniumcontent
Issued on. 2014-12-05
2015-04-01 Shi
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 amount, the amount of thallium, molybdenum and tungsten content 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 14.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This Part replaces GB/T 14353.14-1993 "copper ores lead ores and zinc ores - Methods for chemical analysis of carbon tetrachloride bromine extraction separation
Cetyl trimethylamine - Phenylfuoron copper spectrophotometric determination of germanium content. "
Section compared with the GB/T 14353.14-1993, major changes in the following.
--- Increased analysis "Atomic Fluorescence Spectrometry copper ore, lead ore and zinc ore Germanium" in;
--- Deleted "after carbon tetrachloride extraction cetyl trimethylamine - spectrophotometric determination of germanium content Phenylfuoron copper" analytical methods;
--- Information about the "warning" Content. After standard name, marked a dangerous general tips; are given in the relevant hazardous reagents
Warning (see 4.2, 4.3);
--- In the "precision", increasing the precision of the relevant statements (see Chapter 9);
--- Increased Chapter 6, "specimen" and Chapter 10, "Quality Assurance and Control";
--- Added Appendix B "between laboratory test results statistical processing of data," and references.
This section presents the People's Republic of China Ministry of Land Resources.
This part of the National Standardization Technical Committee on Land Resources (SAC/TC93) centralized.
This section is drafted. the Shaanxi Provincial Institute of Experimental Geology and Mineral Resources.
The main drafters of this section. Osamu Lee, Dong Yani, Mou is the warehouse, Tian Ping.
This part of the standard replaces the previous editions are.
--- GB/T 14353.14-1993.
Copper ores lead ores and zinc ores - Methods for chemical analysis
Part 14. Determination of the amount of germanium
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 Scope
GB/T 14353 provisions of this part of the copper ore, lead ore and zinc ore Atomic Fluorescence Spectrometry Determination of germanium content.
This section applies to copper ores, lead ores and zinc ores - Determination of germanium atomic fluorescence spectrometry.
Measuring range. 0.060μg/g ~ 100μg/g of germanium.
The detection limits. germanium 0.021μg/g.
2 Normative references
The following documents for the application of this document is essential, dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
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 hydrofluoric acid - nitric acid - sulfuric acid decomposing, hot phosphoric acid (14) extraction. Phosphate (14) medium, germanium and potassium borohydride reaction product
A hydride gas, argon gas as a carrier gas into the quartz electric furnace, flame and hydride hydrogen-collisional dissociation into free atoms in germanium
High intensity hollow cathode lamp as the light source, measured in germanium atomic fluorescence spectrometer fluorescence intensity, fluorescence intensity calculated according atoms in a sample of
Germanium content.
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 nitric acid (ρ = 1.42g/mL).
4.2 Hydrofluoric acid (ρ = 1.13g/mL). Warning. toxic hydrofluoric acid, and has a strong corrosive, anti-corrosion wear gloves should be used to prevent skin
contact!
4.3 sulfate (11). Warning. Risk of improper dilution will occur!
4.4 phosphoric acid solution (14).
4.5 potassium borohydride solution [ρ (KBH4) = 30g/L].
Weigh 30g of potassium borohydride in a beaker with a potassium hydroxide solution [ρ (KOH) = 5g/L] was dissolved with stirring, and diluted to 1000mL,
Shake, formulated temporary use.
4.6 Germanium standard solution formulated according to the following steps.
a) Germanium standard stock solution [ρ (Ge) = 100μg/mL]
Accurately weigh 0.1441g calcined at 600 ℃ spectra of pure germanium dioxide in the 250mL beaker, add water about 50mL, added
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