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GB/T 14506.11-2010: Methods for chemical analysis of silicate rocks -- Part 11: Determination of potassium oxide and sodium oxide content
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GB/T 14506.11-2010	English	229	Add to Cart	3 days [Need to translate]	Methods for chemical analysis of silicate rocks -- Part 11: Determination of potassium oxide and sodium oxide content
GB/T 14506.11-1993	English	239	Add to Cart	2 days [Need to translate]	Sillicate rocks. Determination of potassium oxide and sodium oxide

GB/T 14506.11-2010: Methods for chemical analysis of silicate rocks -- Part 11: Determination of potassium oxide and sodium oxide content

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Methods for chemical analysis of silicate rocks Part 11. Determination of potassium oxide and sodium oxide content ICS 73.080 D53 National Standards of People's Republic of China Replacing GB/T 14506.11-1993 Silicate rocks - Part 11. Determination of the amount of sodium hydroxide and oxide Part 11. Determinationofpotassiumoxideandsodiumoxidecontent 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 1,114,506. This Part replaces GB/T 14506.11-1993 "Silicate rocks - Determination of potassium oxide and sodium oxide." Section compared with the GB/T 14506.11-1993 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. Drafting this Part. Geology and Mineral Resources of Heilongjiang Institute of Applied test. The main drafters of this section. Xingyun Qiu, Ge Yanmei, Pan River. This part of the standard replaces the previous editions are. --- GB/T 14506.11-1993. Silicate rocks - Part 11. Determination of the amount of sodium hydroxide and 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 sodium oxide and potassium silicate rock volume. This section applies to the determination of silicate rocks hydroxide and sodium oxide amount is also applicable to soil and stream sediments hydroxide and oxygen Determination of the amount of sodium. Measuring range. flame photometry, 0.5% to 20% of the amount of sodium hydroxide or oxide. Flame atomic absorption spectrophotometry 0.05% 8% of the amount of sodium hydroxide or 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

3 flame photometry

3.1 Principle Sample with hydrofluoric acid, sulfuric acid decomposition, make a 1% solution of nitric acid in the flame photometer, potassium with 766nm, 589nm filter with sodium Rays in the air - acetylene flame measured absorbance, calculate the amount of potassium oxide and sodium. 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 hydrofluoric acid (ρ1.15g/mL). Warning --- toxic and corrosive hydrofluoric acid, the operation should wear gloves to prevent skin contact. 3.2.2 sulfuric acid (11). 3.2.3 nitric acid (11). 3.2.4 hydroxide standard solution. a) standard stock solution of potassium hydroxide (1.00mg/mL). Weigh 1.5829g burning High Purity 2h through 500 ℃ ~ 600 ℃ Potassium (KCl), placed in a beaker, dissolved in water and transferred to 1000mL volumetric flask, dilute to the mark, shake; b) potassium standard solution (100.0μg/mL). dispensing 20.0mL hydroxide standard solution [3.2.4a)], set 200mL Volumetric flask, dilute to the mark, shake. 3.2.5 sodium hydroxide standard solution. a) standard stock solution of sodium hydroxide (1.00mg/mL). Weigh 1.8859g after 500 ℃ ~ 600 ℃ burning of high-purity chlorine 2h Sodium (NaCl), placed in a beaker, dissolved in water and transferred to 1000mL volumetric flask, dilute to the mark, shake; b) sodium hydroxide standard solution (100.0μg/mL). dispensing 20.0mL standard solution of sodium hydroxide [3.2.5a)], set 200mL Volumetric flask, dilute to the mark, shake. ...