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GB/T 14506.8-2010: Methods for chemical analysis of silicate rocks -- Part 8: Determination of titanium dioxide content
Status: Valid GB/T 14506.8: Evolution and historical versions
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| GB/T 14506.8-2010 | English | 209 |
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Methods for chemical analysis of silicate rocks -- Part 8: Determination of titanium dioxide content
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GB/T 14506.8-2010
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| GB/T 14506.8-1993 | English | 199 |
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Sillicate rocks. Determination of titania
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GB/T 14506.8-1993
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Basic data | Standard ID | GB/T 14506.8-2010 (GB/T14506.8-2010) | | Description (Translated English) | Methods for chemical analysis of silicate rocks -- Part 8: Determination of titanium dioxide content | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D53 | | Classification of International Standard | 73.080 | | Word Count Estimation | 9,978 | | Date of Issue | 2010-11-10 | | Date of Implementation | 2011-02-01 | | Older Standard (superseded by this standard) | GB/T 14506.8-1993 | | Quoted Standard | GB/T 6682; GB/T 14506.1 | | Regulation (derived from) | National Standard Approval Announcement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 method for the determination of titanium dioxide content of silicate rocks. This section applies to the determination of the amount of titanium dioxide in silicate rocks. This section also applies to the determination of soil and stream sediment amount of titanium dioxide. Measuring range: hydrogen peroxide method. 0. 2% to 10% of the amount of titanium dioxide, methane two antipyrine method. 0. 05% to 5% titanium dioxide. | GB/T 14506.8-2010: Methods for chemical analysis of silicate rocks -- Part 8: Determination of titanium dioxide content
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Methods for chemical analysis of silicate rocks Part 8. Determination of titanium dioxide content
ICS 73.080
D53
National Standards of People's Republic of China
Replacing GB/T 14506.8-1993
Silicate rocks -
Part 8. Determination of the amount of titanium dioxide
Part 8. Determinationoftitaniumdioxidecontent
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 14506 "Methods for chemical analysis of silicate rocks" 30 consists of the following components.
--- Part 1. Determination of water absorption;
--- Part 2. Determination of combined water;
--- Part 3. Determination of the amount of silica;
--- Part 4. Determination of the amount of aluminum oxide;
--- Part 5. Determination of total iron content;
--- Part 6. Determination of calcium oxide content;
--- Part 7. Determination of the amount of magnesium oxide;
--- Part 8. Determination of the amount of titanium dioxide;
--- Part 9. Determination of the amount of phosphorus pentoxide;
--- Part 10. Determination of the amount of manganese oxide;
--- Part 11. Determination of the amount of sodium hydroxide and oxide;
--- Part 12. Determination of the amount of fluorine;
--- Part 13. Determination of sulfur content;
--- Part 14. Determination of ferrous oxide;
--- Part 15. Determination of the amount of lithium;
--- Part 16. Determination of the amount of rubidium;
--- Part 17. Determination of the amount of strontium;
--- Part 18. Determination of copper content;
--- Part 19. Determination of lead content;
--- Part 20. Determination of the amount of zinc;
--- Part 21. Determination of the amount of nickel and cobalt;
--- Part 22. Determination of the amount of vanadium;
--- Part 23. Determination of chromium;
--- Part 24. Determination of cadmium content;
--- Part 25. Determination of molybdenum and tungsten;
--- Part 26. Determination of cobalt content;
--- Part 27. Determination of nickel content;
--- Part 28. Determination of the amount of 16 major and minor components;
Part --- 29. 22 the amount of rare earth element determination;
--- Part 30. Determination of the amount of 44 elements.
This section GB/T Part of 814,506.
This Part replaces GB/T 14506.8-1993 "Silicate rocks - Determination of titanium dioxide."
Compared with the original part of this section, the main changes are as follows.
--- Increasing the normative references;
--- Increased alert, warnings;
--- The weighed sample quantity and dispensing solutions to a list representation.
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. Zhejiang Institute of Geology and Mineral Resources.
The main drafters of this section. Hu Yongping, Zhang Qiufang, Jiang Zheng deposit.
This part of the standard replaces the previous editions are.
--- GB/T 14506.8-1993.
Silicate rocks -
Part 8. Determination of the amount of titanium dioxide
Warning --- Use this section shall be a person experiences regular laboratory work. This section does not point out all possible security asked
question. 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 14506 provisions of this part of the determination of titanium dioxide content of silicate rocks.
This section applies to the determination of titanium dioxide content of silicate rocks, is also applicable to the determination of titanium dioxide content of soils and stream sediments.
Measurement range. hydrogen peroxide spectrophotometry, 0.2% to 10% of titanium dioxide. Two methane antipyrine spectrophotometry, from 0.05% to 5%
The amount of titanium dioxide.
2 Normative references
The following documents contain provisions which, through reference GB/T 14506 in this section constitute provisions of this section. For dated references,
All subsequent amendments (excluding corrections) or revisions do not apply to this section, however, encourage an agreement under this section
Parties to study 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 14506.1 Silicate rocks - Part 1. Determination of water adsorption
3 hydrogen peroxide spectrophotometry
3.1 Principle
The filtrate was isolated after silica in a 5% sulfuric acid medium with phosphoric acid masking iron, titanium and hydrogen peroxide produces too complex titanate yellow
Was, on a spectrophotometer, a wavelength of 400nm measured absorbance. Calculate the amount of titanium dioxide.
Their reaction was. Ti (SO4) 2 H2O → 2 H2 [TiO2 (SO4) 2]
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 coke potassium sulfate.
3.2.2 sulfuric acid (11). Warning --- improper dilution risk prone
3.2.3 sulfuric acid (595).
3.2.4 phosphoric acid (11).
3.2.5 hydrogen peroxide solution (30g/L). 10mL of hydrogen peroxide (30%) with water to 100mL.
3.2.6 titania standard solution preparation.
a) titanium dioxide standard solution (0.5000mg/mL).
Weigh 0.5000g pre-1000 ℃ for 1h burning spectroscopically pure titanium dioxide (TiO2), placed in a platinum crucible, add 10g Coke
Potassium (3.2.1) at 650 ℃ high temperature furnace melting 10min ~ 15min, then cool, add 400mL beaker, sulfur
Acid (3.2.3) heated leaching, after shedding frit, washed out of the crucible and heated to translucent solution was cooled and transferred to 1000mL volumetric flask,
Dilute to the mark with sulfuric acid (3.2.3);
b) Titanium dioxide standard solution (100.0μg/mL).
Titania dispensing 20.0mL standard solution [3.2.6a)], placed in 100mL volumetric flask, dilute sulfuric acid (3.2.3) to the mark
Degree, shake.
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