GB/T 4324.10-2012 English PDFUS$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 4324.10-2012: Methods for chemical analysis of tungsten -- Part 10: Determination of copper content -- Flame atomic absorption spectrometry Status: Valid GB/T 4324.10: Historical versions
Basic dataStandard ID: GB/T 4324.10-2012 (GB/T4324.10-2012)Description (Translated English): Methods for chemical analysis of tungsten -- Part 10: Determination of copper content -- Flame atomic absorption spectrometry Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: H63 Classification of International Standard: 77.120.99 Word Count Estimation: 7,770 Older Standard (superseded by this standard): GB/T 4324.10-1984 Regulation (derived from): National Standards Bulletin No. 41 of 2012 Issuing agency(ies): General Administration of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 tungsten powder, tungsten, tungsten carbide, tungsten trioxide, tungstic acid, tungsten blue, purple tungsten, ammonium paratungstate, metatungstate Determination of copper content. This section applies to tungsten powder, tung GB/T 4324.10-2012: Methods for chemical analysis of tungsten -- Part 10: Determination of copper content -- Flame atomic absorption 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 tungsten Part 10. Determination of copper content Flame atomic absorption spectrometry. ICS 77.120.99 H63 National Standards of People's Republic of China Replacing GB/T 4324.10-1984 Chemical analysis of tungsten Part 10. Determination of copper content Flame Atomic Absorption Spectrometry Part 10. Determinationofcoppercontent- Issued on. 2012-12-31 2013-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordGB/T 4324 "chemical analysis of tungsten" is divided into 28 parts. --- Part 1. Determination of lead content - flame atomic absorption spectrometry; --- Part 2. Determination of bismuth content hydride generation atomic absorption spectrometry; --- Part 3. Determination of tin content hydride generation atomic absorption spectrometry; --- Part 4. Determination of antimony content hydride generation atomic absorption spectrometry; --- Part 5. Determination of arsenic content by hydride generation atomic absorption spectrometry; --- Part 6. Determination of iron content of phenanthroline spectrophotometry; --- Part 7. Determination of cobalt content by inductively coupled plasma atomic emission spectrometry --- Part 8. Determination of the amount of nickel by inductively coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry Diacetyldioxime Gravimetric method; --- Part 9. Determination of cadmium content by inductively coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry; --- Part 10. Determination of copper content - Flame atomic absorption spectrometry; --- Part 11. Determination of aluminum content by inductively coupled plasma atomic emission spectrometry; --- Part 12. Determination of the amount of silicon tetrachloride - molybdenum blue spectrophotometric method; --- Part 13. Inductively coupled plasma calcium atomic emission spectrometry; --- Part 14. Chlorinated Volatile residue amount after Gravimetric method; --- Part 15. Determination of magnesium content - Flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry; --- Part 16. Determination of loss on ignition - Gravimetric method; --- Part 17. Determination of sodium content by flame atomic absorption spectrometry; --- Part 18. Determination of potassium content by flame atomic absorption spectrometry; --- Part 19. Determination of titanium content of two methane antipyrine spectrophotometry; --- Part 20. vanadium content - Inductively coupled plasma atomic emission spectrometry; --- Part 21. Determination of chromium content by inductively coupled plasma atomic emission spectrometry; --- Part 22. manganese content - Inductively coupled plasma atomic emission spectrometry; --- Part 23. Determination of sulfur content of combustion conductance method and frequency combustion infrared absorption method; --- Part 24. Determination of phosphorus content - Molybdenum blue spectrophotometric method; --- Part 25. Determination of oxygen pulse heating inert gas fusion - infrared absorption method; --- Part 26. Determination of nitrogen pulse heating inert gas fusion - thermal conductivity method and Nessler reagent spectrophotometric method; --- Part 27. Determination of carbon content in the high-frequency combustion infrared absorption method; --- Part 28. Determination of molybdenum content - Thiocyanate spectrophotometric method. This section GB/T Part of 104,324. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 4324.10-1984 "spectrophotometric determination of chemical analysis of tungsten copper reagent new copper content." This portion GB/T 4324.10-1984 compared to the main technical changes are as follows. --- Determination by the "new copper reagent photometric method" to "flame atomic absorption spectrometry"; --- Scope added tungsten carbide, tungsten blue, purple tungsten and ammonium metatungstate. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized. This section is drafted. Beijing Nonferrous Metal Research Institute, Northwest Nonferrous Metal Research Institute, Beijing General Research Institute of Mining and Metallurgy. The main drafters of this section. Zhangdian Kai, Lee Man Chi, Chen Caixia, Sunbao Lian, Zhou Kai, Liu Chunfeng, Tangshu Fang. This part of the standard replaces the previous editions are. --- GB/T 4324.10-1984. Chemical analysis of tungsten Part 10. Determination of copper content Flame Atomic Absorption Spectrometry1 ScopeThis section GB/T 4324 provisions of the tungsten powder, tungsten, tungsten carbide, tungsten trioxide, tungstic acid, tungsten blue, purple tungsten, ammonium paratungstate, ammonium metatungstate Determination of copper content. This Part applies to tungsten powder, tungsten measure, tungsten carbide, tungsten trioxide, tungstic acid, tungsten blue, purple tungsten, ammonium paratungstate, metatungstate copper content set. Determination of the range of 0.0003% to 0.0030%.2 principle of the methodTungsten powder, tungsten bar, fine tungsten carbide, tungsten trioxide, tungstic acid, tungsten blue, ammonium paratungstate, ammonium metatungstate with hydrogen peroxide and ammonia decomposition; purple tungsten, crude Particles of tungsten carbide into tungsten trioxide after burning hydrogen peroxide and ammonia decomposition; hydrochloric acid was added so that the tungsten fully hydrolyzed and dry filtered to remove the tungsten substrate, Take serum atomic absorption spectrometer 324.7nm wavelength in air - acetylene flame, working curve method Determination of copper.3 Reagents and materialsUnless otherwise indicated, as used in the analysis confirmed that only pure reagents superior grade and distilled or deionized water or equivalent purity. 3.1 Hydrogen peroxide (ρ = 1.10g/mL). 3.2 hydrochloric acid (ρ = 1.19g/mL). Aqueous ammonia 3.3 (ρ = 0.90g/mL). 3.4 nitric acid (ρ = 1.42g/mL). 3.5 copper standard stock solution. Weigh 0.1000g copper [w (Cu) ≥99.99%], placed in 150mL beaker, add 10mL nitrate Acid (3.4), cover the surface of the pan, a hot plate at low heat until completely dissolved, boil expelled nitrogen oxides, remove the cooled to room temperature and transferred to 1000mL volumetric flask, dilute with water to volume, and mix this solution 1mL containing 100μg copper. 3.6 Copper Standard Solution. Pipette 25.00mL copper standard stock solution (3.5), placed in 250mL volumetric flask, was added 25mL of hydrochloric acid (3.2), dilute to the mark, shake, solution 1mL containing 10μg copper.4 InstrumentAtomic absorption spectrometer, with copper hollow cathode lamp. Under optimum working conditions for those who can reach the following indicators can be used. --- Characteristic concentration. a solution in the measurement matrix consistent solution features quality copper concentration is not more than 0.04μg/mL; --- Precision. standard solution with the highest concentration of 10 times the absorbance measurements, the standard deviation should not exceed the average absorbance of 1.0%; With the lowest concentration of standard solution (not a zero concentration standard solution) measuring the absorbance of 10 times, the standard deviation should not exceed the maximum concentration 0.5% of the mean absorbance of the standard solution; --- Linear curve. the curve according to concentration, is divided into five sections, the difference between the absorbance of the absorbance difference between the highest and the lowest segment of the segment Ratio of not less than 0.7. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 4324.10-2012_English be delivered?Answer: Upon your order, we will start to translate GB/T 4324.10-2012_English as soon as possible, and keep you informed of the progress. 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