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GB/T 4324.22-2012: Methods for chemical analysis of tungsten -- Part 22: Determination of manganese content -- Inductively coupled plasma atomic emission spectrometry
Status: Valid GB/T 4324.22: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 4324.22-2012 | English | 189 |
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Methods for chemical analysis of tungsten -- Part 22: Determination of manganese content -- Inductively coupled plasma atomic emission spectrometry
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GB/T 4324.22-2012
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| GB/T 4324.22-1984 | English | 199 |
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Methods for chemical analysis of tungsten--The formaldoxime photometric method for manganese content
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GB/T 4324.22-1984
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Basic data | Standard ID | GB/T 4324.22-2012 (GB/T4324.22-2012) | | Description (Translated English) | Methods for chemical analysis of tungsten -- Part 22: Determination of manganese 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| H63 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 8,866 | | Older Standard (superseded by this standard) | GB/T 4324.22-1984 | | Regulation (derived from) | National Standards Bulletin No. 41 of 2012 | | Issuing agency(ies) | General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 trioxide, tungsten blue, purple, tungsten, tungsten carbide, tungsten acid, ammonium metatungstate paratungstate Determination of manganese content. This section applies to tungsten powder, t | GB/T 4324.22-2012: Methods for chemical analysis of tungsten -- Part 22: Determination of manganese content -- Inductively coupled plasma atomic emission spectrometry
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Methods for chemical analysis of tungsten Part 22. Determination of manganese content Inductively coupled plasma atomic emission spectrometry
ICS 77.120.99
H63
National Standards of People's Republic of China
Replacing GB/T 4324.22-1984
Chemical analysis of tungsten
Part 22. Determination of the amount of manganese
Inductively coupled plasma atomic emission spectrometry
Part 22. Determinationofmanganesecontent-
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 4324 of Part 22.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This Part replaces GB/T 4324.22-1984 "tungsten chemical analysis formaldehyde oxime spectrophotometry of manganese content." This portion
GB/T 4324.22-1984 compared to the main changes are as follows.
--- Methods of measurement "formaldehyde oxime spectrophotometry" to "inductively coupled plasma atomic emission spectrometry";
--- Expanding the detection range, the detection range 0.0005% to 0.020% to 0.0001% to 0.050%;
--- Tungsten powder, tungsten, tungsten oxide, tungstic acid, ammonium paratungstate were modified sample dissolution method, an increase of tungsten blue, purple tungsten, tungsten carbide, metatungstate
Ammonium dissolving method;
--- Increased repeatability terms;
The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized.
This section is drafted. Ganzhou Nonferrous Metallurgy Research Institute, Guangzhou Nonferrous Metal Research Institute, Western Metal Materials Co., Ltd.
The main drafters of this section. Ye Chunsheng, Liu Hong, Xiong Xiaoyan, Li Ying, Zhong Daoguo, Redevex school, Wang Jin, Zhang Bin.
This part of the standard replaces the previous editions are.
--- GB/T 4324.22-1984.
Chemical analysis of tungsten
Part 22. Determination of the amount of manganese
Inductively coupled plasma atomic emission spectrometry
1 Scope
GB/T 4324 provisions of this part of the tungsten powder, tungsten trioxide, tungsten, tungsten blue, purple tungsten, tungsten carbide, tungsten acid, ammonium metatungstate, ammonium paratungstate
Determination of manganese content.
This Part applies to tungsten powder, tungsten trioxide, tungsten, tungsten blue, purple tungsten, tungsten carbide, tungsten acid, ammonium metatungstate, ammonium paratungstate manganese contents.
Determination range of 0.0001% to 0.050%.
2 Method summary
Tungsten powder, tungsten, tungsten blue, fine tungsten carbide, tungsten trioxide, tungstic acid, ammonium metatungstate, ammonium paratungstate with hydrogen peroxide and ammonia decomposition; purple tungsten, crude
Burning particulate tungsten carbide into tungsten trioxide and hydrogen peroxide, and ammonia decomposition. After the main tungsten hydrochloride precipitate was filtered directly to the argon plasma
Excitation light source, spectral measurement.
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 (ρ1.10g/mL).
3.2 hydrochloride (ρ1.19g/mL).
3.3 Aqueous ammonia (11).
3.4 hydrochloric acid (119).
3.5 hydrochloric acid wash (149).
3.6 manganese standard stock solution. Weigh 0.1000g Jinzhumeng [w (Mn) ≥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 1mL containing 100μg manganese.
3.7 Manganese standard solution. Pipette 10.00mL manganese standard stock solution (3.6) in 100mL volumetric flask (3.4) diluted to the mark with hydrochloric acid
Degree, this solution 1mL containing 10μg manganese.
3.8 Argon. volume fraction of greater than 99.99%.
4 Instrument
Inductively coupled plasma atomic emission spectroscopy. resolution of less than 0.006nm (200nm office).
5 Sample
5.1 tungsten should smash through the 0.125mm sieve.
5.2 average particle size of the tungsten carbide fine particles 1μm ~ 3μm, the average particle size of the tungsten carbide particles is greater than 3μm ~ 9μm, coarse WC particles
The average particle size greater than 9μm.
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