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GB/T 14506.19-2010: Methods for chemical analysis of silicate rocks -- Part 19: Determination of lead content
Status: Valid GB/T 14506.19: Evolution and historical versions
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| GB/T 14506.19-2010 | English | 209 |
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Methods for chemical analysis of silicate rocks -- Part 19: Determination of lead content
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GB/T 14506.19-2010
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| GB/T 14506.19-1993 | English | 199 |
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Sillicate rocks. Determination of lead
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GB/T 14506.19-1993
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Basic data | Standard ID | GB/T 14506.19-2010 (GB/T14506.19-2010) | | Description (Translated English) | Methods for chemical analysis of silicate rocks -- Part 19: Determination of lead content | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D53 | | Classification of International Standard | 73.080 | | Word Count Estimation | 9,947 | | Date of Issue | 2010-11-10 | | Date of Implementation | 2011-02-01 | | Older Standard (superseded by this standard) | GB/T 14506.19-1993 | | Quoted Standard | GB/T 6682; GB/T 14506.1 | | Regulation (derived from) | National Standard Approval Announcement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 lead silicate rocks. This section applies to the determination of lead silicate rocks. Also applies to the determination of the amount of lead in soil and stream sediments. Does not apply to iron, titanium gabbro. Measuring range: flame atomic absorption spectrophotometry. 5��g/mL ~ 500��g/mL lead content. Hydrochloric acid-tartaric acid-potassium iodide medium polarographic method. The amount of lead 10��g/mL ~ 250��g/mL. | GB/T 14506.19-2010: Methods for chemical analysis of silicate rocks -- Part 19: Determination of lead content
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Methods for chemical analysis of silicate rocks Part 19. Determination of lead content
ICS 73.080
D53
National Standards of People's Republic of China
Replacing GB/T 14506.19-1993
Silicate rocks -
Part 19. Determination of lead content
Part 19. Determinationofleadcontent
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 1,914,506.
This Part replaces GB/T 14506.19-1993 "Silicate rocks - Determination of lead."
Section compared with the GB/T 14506.19-1993 main change this as follows.
--- Increasing the normative references;
--- Increased warning, warning.
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. National Geological experimental test center, Geology and Mineral Resources of Heilongjiang Institute of Applied test.
The main drafters of this section. LIU Dai Min, Ge Yanmei, Wangsu Ming.
This part of the standard replaces the previous editions are.
--- GB/T 14506.19-1993.
Silicate rocks -
Part 19. Determination of lead 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 provisions of this part of the determination of the amount of lead silicate rocks.
This section applies to the amount of lead in the determination of silicate rocks, is also applicable to the determination of lead in soil and stream sediment volume. Not for containing
Iron, titanium gabbro.
Measurement range. Flame atomic absorption spectrophotometry, 5μg/mL ~ 500μg/mL of lead content. Hydrochloric acid - tartaric acid - potassium Polarographic
France, 10μg/mL ~ 250μg/mL, the amount of lead.
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 Atomic absorption spectrophotometry
3.1 Principle
Samples with hydrochloric acid, nitric acid decomposition, hydrofluoric acid, perchloric acid thermal decomposition and evaporation to take to make white smoke of perchloric acid, the residue was heated with dilute hydrochloric acid leaching,
A 5% hydrochloric acid solution. On an atomic absorption spectrophotometer, with continuous spectrum lamp or Zeeman effect background correction wavelength 283.3nm
At the air - acetylene flame measured absorbance of lead in computing the amount of lead.
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 hydrochloric acid (ρ1.19g/mL), pure class distinctions.
3.2.2 hydrochloric acid (11).
3.2.3 nitrate (ρ1.42g/mL), pure class distinctions.
3.2.4 hydrofluoric acid (ρ1.15g/mL). Warning --- toxic and corrosive hydrofluoric acid, the operation should wear gloves to prevent skin contact.
3.2.5 perchloric acid (ρ1.68g/mL), pure class distinctions. Warning --- explosive materials, careful
3.2.6 Lead standard solution.
a) lead standard solution (1.00mg/mL).
[Weigh 1.0000g washed with nitric acid pre-purity lead (19) Wash the surface and then washed with water and ethanol, wind
Dry standby] in 250mL beaker, add 10mL of nitric acid (3.2.3), cover the surface of the dish. After completely dissolved by heating,
Moved into 1000mL volumetric flask, dilute to the mark, shake;
b) lead standard solution (20.0μg/mL).
Points to take the lead 20.0mL standard solution [3.2.6a)], into 1000mL volumetric flask, dilute to the mark, shake. time cost
Now equipped.
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