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GB/T 4324.11-2012: Methods for chemical analysis of tungsten -- Part 11: Determination of aluminum content -- Inductively coupled plasma atomic emission spectrometry
Status: Valid GB/T 4324.11: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 4324.11-2012 | English | 169 |
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Methods for chemical analysis of tungsten -- Part 11: Determination of aluminum content -- Inductively coupled plasma atomic emission spectrometry
| Valid |
GB/T 4324.11-2012
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| GB/T 4324.11-1984 | English | 199 |
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Methods for chemical analysis of tungsten--The chromazurol S photometric method for the determination of aluminum content
| Obsolete |
GB/T 4324.11-1984
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Basic data | Standard ID | GB/T 4324.11-2012 (GB/T4324.11-2012) | | Description (Translated English) | Methods for chemical analysis of tungsten -- Part 11: Determination of aluminum content -- Inductively coupled plasma atomic emission spectrometry | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H63 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 7,784 | | Older Standard (superseded by this standard) | GB/T 4324.11-1984 | | Regulation (derived from) | National Standards Bulletin No. 41 of 2012 | | Issuing agency(ies) | General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 oxide, tungsten oxide, blue, purple, tungsten oxide, tungsten carbide, tungsten acid, ammonium metatungstate paratungstate Determination of aluminum content. This section applies to tungsten | GB/T 4324.11-2012: Methods for chemical analysis of tungsten -- Part 11: Determination of aluminum content -- Inductively coupled plasma atomic emission 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 11. Determination of aluminum content Inductively coupled plasma atomic emission spectrometry
ICS 77.120.99
H63
National Standards of People's Republic of China
Replacing GB/T 4324.11-1984
Chemical analysis of tungsten
Part 11. Determination of aluminum content
Inductively coupled plasma atomic emission spectrometry
Part 11. Determinationofaluminumcontent-
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
Foreword
GB/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 114,324.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This Part replaces GB/T 4324.11-1984 "tungsten chemical analysis of aluminum reagent Spetrophotometry aluminum content." This portion
GB/T 4324.11-1984 compared to the main changes are as follows.
--- Measuring reagent spectrophotometric method changed from the original aluminum by Inductively Coupled Plasma Atomic Emission Spectrometry;
--- Detection range from "0.0007% to 0.012%" to "0.0005% to 0.050%";
--- Modify the sample dissolution method;
--- Increased repeatability terms.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This section is drafted. Ganzhou Nonferrous Metallurgy Research Institute, Guangzhou Nonferrous Metal Research Institute, Zhuzhou Cemented Carbide Group Limited.
The main drafters of this section. Li Ying, Liu Hong, Xiong Xiaoyan, Ye Chunsheng, Zhongdao Guo, Wang Jin, Zhuang Yichun, Chenqiu Lian, Zhang Ying.
This part of the standard replaces the previous editions are.
--- GB/T 4324.11-1984.
Chemical analysis of tungsten
Part 11. Determination of aluminum content
Inductively coupled plasma atomic emission spectrometry
1 Scope
This section GB/T 4324 provisions of the tungsten powder, tungsten trioxide, tungsten, tungsten oxide blue, purple tungsten oxide, tungsten carbide, tungsten acid, partial acid
Ammonium paratungstate determination of aluminum content.
This Part applies to tungsten powder, tungsten trioxide, tungsten, tungsten oxide blue, purple tungsten oxide, tungsten carbide, tungsten acid, ammonium metatungstate, ammonium paratungstate
Determination of aluminum content. Determination range of 0.0005% to 0.050%.
2 Method summary
Microwave digestion sample was decomposed body after acidification with hydrochloric acid precipitation tungsten, argon plasma excitation light source directly after filtration, spectral
Determination.
3 Reagents
Unless 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).
3.3 ammonia, MOS level.
3.4 hydrochloric acid (119).
3.5 hydrochloric acid wash (149).
3.6 standard aluminum stock solution. Weigh 0.1000g of aluminum [wAl≥99.99%], placed in 200mL beaker, add 20mL hydrochloric acid
(3.2), completely dissolved by heating and then cooled and transferred to 1000mL volumetric flask, dilute with water to volume, and mix. This solution containing 1mL
100μg aluminum.
3.7 aluminum standard solution. Pipette 10.00mL aluminum standard stock solution (3.6) in 100mL volumetric flask (3.4) diluted to the mark with hydrochloric acid
Degree, this solution 1mL containing 10μg aluminum.
3.8 Argon. volume fraction of greater than 99.99%.
4 Instrument
4.1 Inductively Coupled Plasma Emission Spectrometer. resolution of less than 0.006nm (200nm office).
4.2 microwave digestion.
5 Sample
Tungsten and shall crush through the 0.125mm sieve.
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