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GB/T 14506.14-2010: Methods for chemical analysis of silicate rocks -- Part 14: Determination of ferrous oxide content
Status: Valid GB/T 14506.14: Evolution and historical versions
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| GB/T 14506.14-2010 | English | 169 |
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Methods for chemical analysis of silicate rocks -- Part 14: Determination of ferrous oxide content
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GB/T 14506.14-2010
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| GB/T 14506.14-1993 | English | 199 |
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Sillicate rocks. Determination of ferrous oxide content. Potassium dichromate volumetric method
| Obsolete |
GB/T 14506.14-1993
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Basic data | Standard ID | GB/T 14506.14-2010 (GB/T14506.14-2010) | | Description (Translated English) | Methods for chemical analysis of silicate rocks -- Part 14: Determination of ferrous oxide content | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D53 | | Classification of International Standard | 73.080 | | Word Count Estimation | 7,754 | | Date of Issue | 2010-11-10 | | Date of Implementation | 2011-02-01 | | Older Standard (superseded by this standard) | GB/T 14506.14-1993 | | Quoted Standard | GB/T 6682; GB/T 14506.1 | | Regulation (derived from) | National Standard Approval Announcement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 measuring the amount of ferrous oxide silicate rocks. This section applies to the determination of the amount of ferrous oxide silicate rocks. This section also applies to the determination of the amount of ferrous oxide in soils and stream sediments. Measuring range: > 0. 5% of the amount of ferrous oxide. | GB/T 14506.14-2010: Methods for chemical analysis of silicate rocks -- Part 14: Determination of ferrous oxide content
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Methods for chemical analysis of silicate rocks.Part 14. Determination of ferrous oxide content
ICS 73.080
D53
National Standards of People's Republic of China
Replacing GB/T 14506.14-1993
Silicate rocks -
Part 14. Determination of ferrous oxide
Part 14. Determinationofferrousoxidecontent
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 1,414,506.
This Part replaces GB/T 14506.14-1993 "Determination of ethylene oxide Silicate rocks - potassium dichromate volumetric method
The amount of iron. "
Section compared with the GB/T 14506.14-1993 main change this 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 drafted by. Institute of Geology and Mineral Resources of Heilongjiang test applications, National Geological Experimental Test Center.
The main drafters of this section. Ya, Xing Yunqiu, Wangsu Ming.
This part of the standard replaces the previous editions are.
--- GB/T 14506.14-1993.
Silicate rocks -
Part 14. Determination of ferrous oxide
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 the amount of ferrous oxide silicate rocks.
This section applies to the determination of the oxidation of ferrous silicate rocks amount, also applies to the determination of the soil and the amount of ferrous oxide stream sediments.
Measurement range. > 0.5% of the amount of ferrous oxide.
2 Normative references
The following documents contain provisions which, through reference GB/T 14506 in this section constitute provisions of this section. For 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 14506.1 Silicate rocks - Part 1. Determination of water adsorption
Principle 3
Sample with hydrofluoric acid, sulfuric acid decomposition. The remaining solution was added boric acid complexation of fluoride. Diphenylamine sulfonate as indicator, the reference weight
Potassium chromate solution titration, calculate the amount of ferrous oxide.
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 Hydrofluoric acid (ρ1.15g/mL). Warning --- toxic and corrosive hydrofluoric acid, the operation should wear gloves to prevent skin contact.
4.2 sulfate (ρ1.84g/mL). Warning --- improper dilution risk prone
4.3 sulfate (11). Warning --- improper dilution risk prone
4.4 sulfuric acid (595).
4.5 phosphoric acid (ρ1.69g/mL).
4.6 saturated boric acid solution.
4.7 sulfur - phosphorus mixed acid. Take 150mL sulfuric acid (4.2) slowly poured into 700mL of water, cooling, 150mL phosphoric acid (4.5), stir well.
4.8 ferrous ammonium sulfate solution c [FeSO4 · (NH4) 2SO4 · 6H2O] = 0.0050mol/L.
Weigh 0.98g ferrous ammonium sulfate dissolved in sulfuric acid (4.4), and together with sulfuric acid (4.4) to 500mL, stir well.
4.9 Potassium dichromate standard titration solution c (K2Cr2O7) = 0.002319mol/L.
Weigh 0.6825g of pre-dried 150 ℃ 2h baseline potassium dichromate (K2Cr2O7), dissolved in water and transferred to 1000mL capacity
Volumetric flask, dilute to the mark, shake. This solution 1mL containing 1.0000mg ferrous oxide.
4.10 diphenylamine sodium solution (5g/L). Weigh 0.5g of sodium diphenylamine was dissolved in 100mL of water, add 1 to 2 drops of sulfuric acid drops
(4.3), stored in a brown bottle, if you can not use the color green.
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