GB/T 14506.33-2019 English PDF

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GB/T 14506.33-2019: Methods for chemical analysis of silicate rocks -- Part 33: Determination of arsenic, stibium, bismuth and mercury elements content -- Hydride generation atomic fluorescence spectrometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 14506.33-2019	279	Add to Cart	3 days	Methods for chemical analysis of silicate rocks -- Part 33: Determination of arsenic, stibium, bismuth and mercury elements content -- Hydride generation atomic fluorescence spectrometry	Valid

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Basic data

Standard ID: GB/T 14506.33-2019 (GB/T14506.33-2019)
Description (Translated English): Methods for chemical analysis of silicate rocks -- Part 33: Determination of arsenic, stibium, bismuth and mercury elements content -- Hydride generation atomic fluorescence spectrometry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D53
Classification of International Standard: 73.080
Word Count Estimation: 14,171
Date of Issue: 2019-12-10
Date of Implementation: 2020-07-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 14506.33-2019: Methods for chemical analysis of silicate rocks -- Part 33: Determination of arsenic, stibium, bismuth and mercury elements content -- Hydride generation atomic fluorescence spectrometry

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Methods for chemical analysis of silicate rocks--Part 33. Determination of arsenic, stibium, bismuth and mercury elements content--Hydride generation atomic fluorescence spectrometry ICS 73.080 D53 National Standards of People's Republic of China Chemical analysis method of silicate rocks Part 33. Determination of arsenic, antimony, bismuth and mercury Hydride generation-atomic fluorescence spectrometry Methodsforchemicalanalysisofsilicaterocks-Part 33. Determinationof arsenic, stibium, bismuthandmercuryelementscontent- 2019-12-10 release 2020-07-01 implementation State Administration of Market Supervision Published by the National Standardization Management Committee

Contents

Foreword I 1 Scope 1 2 Normative references 1 3 Principle 1 4 Test conditions 2 5 Reagents or materials 2 6 Equipment 3 7 Sample 3 8 Test step 3 9 Test data processing 4 10 Precision 5 11 accuracy 5 12 Quality Assurance and Control 5 Appendix A (informative) Instrument reference working conditions 6 Appendix B (informative) Statistical results of laboratory-to-laboratory accuracy test data 8 References 11

Foreword

GB/T 14506 `` Chemical Analysis Methods for Silicates '' consists of the following 34 parts. --- Part 1. Determination of the amount of adsorbed water; --- Part 2. Determination of the amount 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 the amount of calcium oxide; --- Part 7. Determination of the amount of magnesium oxide; --- Part 8. Determination of titanium dioxide content; --- Part 9. Determination of phosphorus pentoxide content; --- Part 10. Determination of manganese oxide content; --- Part 11. Determination of potassium oxide and sodium oxide; --- Part 12. Determination of fluorine content; --- Part 13. Determination of sulfur content; --- Part 14. Determination of ferrous oxide content; --- Part 15. Determination of lithium content; --- Part 16. Determination of radon; --- Part 17. Determination of strontium; --- Part 18. Determination of copper content; --- Part 19. Determination of lead content; --- Part 20. Determination of zinc content; --- Part 21. Determination of nickel and cobalt content; --- Part 22. Determination of vanadium content; --- Part 23. Determination of chromium content; --- Part 24. Determination of cadmium; --- Part 25. Molybdenum and tungsten content determination; --- Part 26. Determination of cobalt content; --- Part 27. Determination of nickel content; --- Part 28. Determination of 16 major and minor components; --- Part 29. Determination of 22 elements such as rare earth; --- Part 30. Determination of the amount of 44 elements; --- Part 31. Determination of 12 components such as silicon dioxide, lithium metaborate melting-inductively coupled plasma atomic emission Notation --- Part 32. Determination of 20 components such as alumina, mixed acid decomposition-inductively coupled plasma atomic emission Notation --- Part 33. Determination of arsenic, antimony, bismuth, and mercury content-Hydride generation-atomic fluorescence spectrometry; --- Part 34. Determination of loss on ignition by gravimetric method. This part is Part 33 of GB/T 14506. This section is drafted in accordance with the rules given in GB/T 1.1-2009. This section is proposed by the Ministry of Natural Resources of the People's Republic of China. This section is under the jurisdiction of the National Land and Resources Standardization Technical Committee (SAC/TC93). This section was drafted. National Geological Experimental Testing Center. The main drafters of this section. Xu Chunxue, Wang Suming, Zhang Xin, Sun Dezhong, Wang Yaping, An Ziyi, and Chen Zongding. Chemical analysis method of silicate rocks Part 33. Determination of arsenic, antimony, bismuth and mercury Hydride generation-atomic fluorescence spectrometry Caution --- Personnel using this section should have practical experience in formal laboratory work. This section does not indicate all possible security issues. question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions stipulated by relevant national regulations.

1 Scope

This part of GB/T 14506 specifies the hydride generation-atomic fluorescence spectrometry for the determination of arsenic, antimony, bismuth and mercury in silicate rocks. This section applies to the determination of arsenic, antimony, bismuth, and mercury in silicate rocks by atomic fluorescence spectrometry, and also applies to soil and sediment samples. Measurement of the amount of the above elements. The method detection limits and determination ranges are shown in Table 1. Table 1 Method detection limits and measurement ranges in micrograms per gram Element method detection limit determination range As 0.028 0.092 ~ 25 Sb 0.011 0.036 ~ 22 Bi 0.006 0.018 ~ 20 Hg 0.002 0.005 ~ 0.75

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 6379.2 Accuracy of measurement methods and results (correctness and precision). Part 2. Determination of standard measurement method duplication Basic methods of reproducibility and reproducibility GB/T 6379.4 Accuracy of measurement methods and results (correctness and precision) Part 4. Confirming that standard measurement methods are correct Basic method GB/T 6682 Analytical laboratory water specifications and test methods GB/T 14505 General rules and general requirements for chemical analysis methods of rocks and ores GB/T 21191 Atomic Fluorescence Spectrometer

3 Principle

Digestion samples were heated with aqua regia in a boiling water bath, and bismuth (Bi) and The original arsenic (As) and antimony (Sb) are reduced to trivalent volatile hydrides (BiH3, AsH3, SbH3), and mercury (Hg) is directly reduced Into atomic mercury. They are brought into the atomizer by a carrier gas (argon), and the ground-state atoms formed are excited to a high-energy state and deactivated back to ......

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