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GB/T 6730.69-2010: Iron ores -- Determination of fluoride and chloride content -- Ion chromatography
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| GB/T 6730.69-2010 | English | 229 |
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Iron ores -- Determination of fluoride and chloride content -- Ion chromatography
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GB/T 6730.69-2010
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Basic data | Standard ID | GB/T 6730.69-2010 (GB/T6730.69-2010) | | Description (Translated English) | Iron ores -- Determination of fluoride and chloride content -- Ion chromatography | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D31 | | Classification of International Standard | 73.060.10 | | Word Count Estimation | 10,131 | | Date of Issue | 1/10/2011 | | Date of Implementation | 10/1/2011 | | Quoted Standard | GB/T 6379.2; GB/T 6682; GB/T 6730.1; GB/T 10322.1; GB/T 12806; GB/T 12808 | | Regulation (derived from) | Announcement of Newly Approved National Standards 2011 No. (No. 166 overall) 1 | | 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 iron ion chromatographic method of fluorine and chlorine content. This Standard is applicable to iron ore, iron ore, pellets determination of fluorine and chlorine content of natural and sinter. Measurement range (mass fraction): fluorine of 0. 005% to 4. 00% chlorine was 0. 005% to 0. 5%. | GB/T 6730.69-2010: Iron ores -- Determination of fluoride and chloride content -- Ion chromatography
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Iron ores. Determination of fluoride and chloride content. Ion chromatography
ICS 73.060.10
D31
National Standards of People's Republic of China
Determination of iron content of fluorine and chlorine
Ion Chromatography
Issued on. 2011-01-10
2011-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 6730 Appendix A of this part of the normative appendix, Appendix B and Appendix C are informative appendices.
This part is proposed by the China Iron and Steel Association.
This part of the National Standardization Technical Committee reduced iron ore and direct centralized.
This section is drafted. Hubei Exit Inspection and Quarantine, Beijing Mining Research Institute, Nantong CIQ.
The main drafters of this section. Cui Hairong, in force, Zhang Asia, Hou Jin, Ling Lin, Jane Yan, Guo Jian, Ling about Tao, Cheng Ye, Chen Caoqi Yang downwind.
Determination of iron content of fluorine and chlorine
Ion Chromatography
Warning. Use of this section shall be a person experiences regular laboratory work. 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 6730 This section provides the ion chromatography method for iron ore of fluorine and chlorine content.
This section applies to natural iron ore, iron ore measuring, sinter and pellets of fluorine and chlorine content. Measurement range (mass fraction).
Fluorine is 0.005 to 4.00%, 0.005% chlorine 0.5%.
Note. This section refers to the determination of chlorine acid leaching chlorine.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 6379.2 measurement methods and results - Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat
Of the basic methods of reproduction
Laboratory use specifications and test methods GB/T 6682 Analysis
GB/T 6730.1 Method for analysis of chemical analysis of iron pre-dried sample preparation
GB/T 10322.1 iron ore sampling and sample preparation methods
GB/T 12806 Laboratory glassware Single Groove flask
GB/T 12808 Laboratory glassware Single Groove pipette
Principle 3
The sample was sulfuric acid decomposition, wherein the fluorine, chlorine separation with water vapor to escape the sample by absorbing liquid absorption was determined by ion chromatography. To ensure
Retention time qualitative and quantitative standard curve method.
4 Reagents and materials
Unless otherwise specified, the reagents were of analytical grade, test water line with two water GB/T 6682 regulations, resistance was
18.2MΩ · cm.
4.1 sodium fluoride, reference material.
4.2 sodium chloride, reference material.
4.3 sodium hydroxide, pure class distinctions.
4.4 sulfate, ρ1.84g/mL.
4.5 sulfuric acid solution, 200mL amount of sulfuric acid (4.4) slowly poured into 100mL of water, and mix.
4.6 Sodium hydroxide solution, c (NaOH) = 0.2mol/L. Weigh 8.0g of sodium hydroxide (4.3) dissolved in 1000mL of water.
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