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GB/T 20975.26-2013: Methods for chemical analysis of aluminium and aluminium alloys -- Part 26: Determination of carbon content -- Infrared absorption method
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 20975.26-2013 | English | 139 |
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Methods for chemical analysis of aluminium and aluminium alloys -- Part 26: Determination of carbon content -- Infrared absorption method
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GB/T 20975.26-2013
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Basic data | Standard ID | GB/T 20975.26-2013 (GB/T20975.26-2013) | | Description (Translated English) | Methods for chemical analysis of aluminium and aluminium alloys -- Part 26: Determination of carbon content -- Infrared absorption method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H12 | | Classification of International Standard | 77.120.20 | | Word Count Estimation | 6,689 | | Regulation (derived from) | National Standards Bulletin 2013 No. 23 | | 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 determination of aluminum and aluminum alloy carbon content. This standard applies to the determination of the carbon content of aluminum and aluminum alloy, the measuring range: 0. 010%-l. 00%. | GB/T 20975.26-2013: Methods for chemical analysis of aluminium and aluminium alloys -- Part 26: Determination of carbon content -- Infrared absorption method
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Methods for chemical analysis of aluminium and aluminium alloys Part 26... Determination of carbon content Infrared absorption method
ICS 77.120.20
H12
National Standards of People's Republic of China
Methods for chemical analysis of aluminum and aluminum alloys
Part 26. Determination of carbon content by infrared absorption method
Part 26. Determinationofcarboncontent-Infraredabsorptionmethod
Issued on. 2013-11-27
2014-08-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 20975 "Methods for chemical analysis of aluminum and aluminum alloys" is divided into 26 parts.
--- Part 1. Determination of mercury content - Cold atomic absorption spectrometry;
--- Part 2. Determination of arsenic content - Molybdenum blue spectrophotometric method;
--- Part 3. Determination of copper content;
--- Part 4. Determination of iron content phenanthroline spectrophotometry;
--- Part 5. Determination of silicon content;
--- Part 6. Determination of cadmium content by flame atomic absorption spectrometry;
--- Part 7. Determination of manganese content - Potassium periodate spectrophotometric method;
--- Part 8. Determination of zinc content;
--- Part 9. Determination of lithium content Flame atomic absorption spectrometry;
--- Part 10. Determination of tin content;
--- Part 11. Determination of lead content by flame atomic absorption spectrometry;
--- Part 12. Determination of titanium content;
--- Part 13. Determination of vanadium content of benzoyl phenylhydroxylamine spectrophotometry;
--- Part 14. Determination of nickel content;
--- Part 15. Determination of boron content;
--- Part 16. Determination of magnesium content;
--- Part 17. Determination of Strontium by flame atomic absorption spectrometry;
--- Part 18. Determination of chromium content;
--- Part 19. Determination of zirconium content;
--- Part 20. Determination of gallium content Butyl Rhodamine B spectrophotometric method;
--- Part 21. Determination of calcium content by flame atomic absorption spectrometry;
--- Part 22. Determination of beryllium content Eriochrome cyanide blue R spectrophotometry;
--- Part 23. Determination of antimony content Potassium iodide spectrophotometry;
--- Part 24. Determination of total rare earth content;
--- Part 25. Inductively coupled plasma atomic emission spectrometry;
--- Part 26. Determination of carbon content by infrared absorption method.
Part is divided into 26 sections.
This section drafted in accordance with GB/T 1.1-2009 given rules.
The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized.
This section is responsible for drafting units. Aluminum Corporation of China Zhengzhou Research Institute.
Drafting this Part. Analysis of Physical and Chemical Testing Center of Guizhou Province, Beijing Nonferrous Metal Research Institute, Shandong Yankuang Light Alloy Co.,
the company.
The main drafters of this section. Zhang Wei-hua, Li Jiahua, Zhang Jidong, Zhou Hai income, Wei Yanqin, Xue Ning, Li Jian, Zhang Ying, Chen Ran, Li hole.
Methods for chemical analysis of aluminum and aluminum alloys
Part 26. Determination of carbon content by infrared absorption method
1 Scope
This section provides the determination of aluminum and aluminum carbon content.
This section applies to the determination of aluminum and aluminum alloy with carbon content, measurement range. 0.010% to 1.00%.
2 Method summary
Sample was placed in a high-frequency burner, OXYGEN high frequency induction heating burner. Wherein the carbon is oxidized to carbon dioxide by excess
Loading infrared gas analyzer oxygen measuring cell. Characterized in that the carbon dioxide has a strong absorption band at 4.262μm, this absorbed energy as their concentration
Proportional to the degree, according to the detector detects changes in the carbon content of the received energy.
3 Reagents and materials
3.1 magnesium perchlorate. anhydrous, granular.
3.2 Alkali Asbestos. granular.
3.3 glass wool.
3.4 Tungsten metal particle. w (C) ≤0.0008%, w (S) ≤0.0005%, particle size of 0.4mm ~ 0.8mm.
3.5 metallic tin particles. w (C) ≤0.0008%, w (S) ≤0.0005%, particle size of 0.8mm ~ 1.0mm.
3.6 Nickel scrap. the purity is greater than 99.8%, w (C) ≤0.0005%, w (S) ≤0.0005%, particle size of 0.8mm ~ 1.68mm.
3.7 Oxygen. purity of more than 99.95%.
3.8 Power gas source. compressed air or nitrogen, the impurity (water and oil) is less than 0.5%.
3.9 porcelain crucible. 25mm × 25mm, and above 1200 ℃ heat 4h or burning in oxygen burning to blank the lowest value.
3.10 certified national standards for sample (sample carbon content and adapt).
Calcium carbonate 3.11 benchmark. at 105 ℃ drying 2h, placed in the dryer to cool and set aside.
4 instruments and equipment
4.1 Carbon and sulfur analyzer. a high-frequency induction furnace, the melting temperature of the sample should meet the requirements.
4.2 Analytical balance. accurate to 0.0001g.
5 Sample
The sample was processed into a thickness of less than 0.1mm debris.
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