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GB/T 14506.6-2010: Methods for chemical analysis of silicate rocks -- Part 6: Determination of calcium oxide content
Status: Valid GB/T 14506.6: Evolution and historical versions
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| GB/T 14506.6-2010 | English | 209 |
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Methods for chemical analysis of silicate rocks -- Part 6: Determination of calcium oxide content
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GB/T 14506.6-2010
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| GB/T 14506.6-1993 | English | 239 |
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Sillicate rocks. Determination of calcium oxide
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GB/T 14506.6-1993
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Basic data | Standard ID | GB/T 14506.6-2010 (GB/T14506.6-2010) | | Description (Translated English) | Methods for chemical analysis of silicate rocks -- Part 6: Determination of calcium oxide content | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D53 | | Classification of International Standard | 73.080 | | Word Count Estimation | 9,965 | | Date of Issue | 2010-11-10 | | Date of Implementation | 2011-02-01 | | Older Standard (superseded by this standard) | GB/T 14506.6-1993 | | Quoted Standard | GB/T 6682; GB/T 14506.1 | | Regulation (derived from) | National Standard Approval Announcement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 determination of the oxidation of calcium silicate rocks. This section applies to the determination of calcium oxide in silicate rocks. This section also applies to soil and stream sediments of calcium oxide measurement, measuring range: ethylene glycol dimethyl ether diamine tetra-acetic acid (EGTA) complexometric titration, 1% to 15% of calcium oxide, flame atomic absorption spectrophotometry, 0. 1% to 5% calcium oxide, Note: EGTA complexometric titration of strontium, barium silicate rock samples greater than 0. 4% of the total amount does not apply. | GB/T 14506.6-2010: Methods for chemical analysis of silicate rocks -- Part 6: Determination of calcium oxide content
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Methods for chemical analysis of silicate rocks Part 6. Determination of calcium oxide content
ICS 73.080
D53
National Standards of People's Republic of China
Replacing GB/T 14506.6-1993
Silicate rocks -
Part 6. Determination of calcium oxide content
Part 6. Determinationofcalciumoxidecontent
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 614,506.
This Part replaces GB/T 14506.6-1993 "Silicate rocks - Determination of calcium oxide."
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, Jiang Zheng deposit, Zhang Mingjie.
This part of the standard replaces the previous editions are.
--- GB/T 14506.6-1993.
Silicate rocks -
Part 6. Determination of calcium oxide content
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 in this section specifies the method for determination of calcium oxide content of silicate rocks.
This section applies to the determination of the oxidation of calcium silicate rocks, and is also applicable to the measurement of soil and stream sediments of calcium oxide content.
Measurement range. ethylene glycol diethyl ether diamine tetra-acetic acid (EGTA) complexometric titration, 1% to 15% of calcium oxide. Flame atomic absorption
Spectrophotometry, 0.1% to 5% of calcium oxide.
NOTE. silicate rock samples EGTA complexometric titration of strontium, barium greater than 0.4% of the total amount is not applicable.
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
3 EGTA complexometric titration
3.1 Principle
After separating the filtrate silica with triethanolamine masking interfering elements iron, aluminum and the like. Nickel, copper and other elements of interference masking sodium fluoride, or
After hexamethylenetetramine, after the separation of interfering elements copper reagent in pH≥12 conditions to calcein - Barry phenolphthalein indicating complexing agent
Agents, standard solution titration with EGTA, calcium oxide was calculated.
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 hydroxylamine hydrochloride.
3.2.2 hexamethylenetetramine.
3.2.3 Potassium hydroxide (excellent pure).
3.2.4 potassium hydroxide solution (500g/L). Stored in plastic bottles.
3.2.5 ethanol.
3.2.6 hydrochloric acid (11).
3.2.7 ammonia (1 l).
3.2.8 triethanolamine (11).
3.2.9 potassium cyanide solution (50g/L). Warning --- potassium cyanide solution is a highly toxic reagent must be strictly regulated use and storage.
NOTE. You can not join under acidic conditions, sodium cyanide, after use, is added ferrous ammonium sulfate (Mohs salt) only into the sewer after treatment.
3.2.10 sucrose solution (20g/L).
3.2.11 diethyl dithiocarbamate (DDTC) solution (20g/L). the time is now equipped with.
3.2.12 calcium oxide standard solution. Weigh 0.8924g pre-dried 120 ℃ 2h of high purity calcium carbonate (CaCO3), placed in 400mL
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