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GB/T 4698.27-2017: Methods for chemical analysis of titanium sponge, titanium and titanium alloys -- Part 27: Determination of neodymium content -- Inductively coupled plasma atomic emission spectrometry
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Methods for chemical analysis of titanium sponge, titanium and titanium alloys -- Part 27: Determination of neodymium content -- Inductively coupled plasma atomic emission spectrometry
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GB/T 4698.27-2017
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Basic data | Standard ID | GB/T 4698.27-2017 (GB/T4698.27-2017) | | Description (Translated English) | Methods for chemical analysis of titanium sponge, titanium and titanium alloys -- Part 27: Determination of neodymium content -- Inductively coupled plasma atomic emission spectrometry | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H14 | | Classification of International Standard | 77.120.50 | | Word Count Estimation | 6,645 | | Date of Issue | 2017-09-29 | | Date of Implementation | 2018-07-01 | | 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 | GB/T 4698.27-2017: Methods for chemical analysis of titanium sponge, titanium and titanium alloys -- Part 27: Determination of neodymium content -- Inductively coupled plasma atomic emission spectrometry
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Methods for chemical analysis of titanium sponge, titanium and titanium alloys - Part 27. Determination of neodymium content - Inductively coupled plasma atomic emission spectrometry
ICS 77.120.50
H14
National Standards of People's Republic of China
Sponge titanium, titanium and titanium alloys - Methods for chemical analysis
Part 27. Determination of neodymium content
Inductively coupled plasma atomic emission spectrometry
Methods for chemical analysis of titanium nitride, titaniumandtitaniumaloys-
Part 27. Determination of neodymium content-
2017-09-29 Posted
2018-07-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
GB/T 4698 "titanium sponge, titanium and titanium alloy chemical analysis method" is divided into 28 parts.
--- Part 1. Determination of copper content by flame atomic absorption spectrometry;
--- Part 2. Determination of iron content 1,10-phenanthroline spectrophotometry, flame atomic absorption spectrometry and inductively coupled plasma
Atomic emission spectrometry;
--- Part 3. Determination of silicon content molybdenum blue spectrophotometry;
--- Part 4. Determination of manganese content Periodate spectrophotometry and inductively coupled plasma atomic emission spectrometry;
--- Part 5. Determination of molybdenum content thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry;
--- Part 6. Determination of boron content Curcumin spectrophotometry and inductively coupled plasma mass spectrometry;
--- Part 7. Determination of oxygen content, nitrogen content Inert gas melting - infrared absorption/thermal conductivity method and distillation separation - Naisler reagent spectrophotometry
Degree method
--- Part 8. Determination of aluminum content Alkaline separation - EDTA complexometric titration and inductively coupled plasma atomic emission spectrometry;
--- Part 9. Determination of tin content potassium iodate titration and inductively coupled plasma atomic emission spectrometry;
--- Part 10. Determination of chromium content ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry;
--- Part 12. Determination of vanadium content ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry;
--- Part 13. Determination of zirconium content EDTA titration and inductively coupled plasma atomic emission spectrometry;
--- Part 14. Determination of carbon content High-frequency combustion - infrared absorption method;
--- Part 15. Determination of hydrogen content inert gas melting infrared absorption method/thermal conductivity method;
--- Part 17. Determination of magnesium content by flame atomic absorption spectrometry;
--- Part 18. Determination of tin content by flame atomic absorption spectrometry;
--- Part 19. Determination of molybdenum content; Thiocyanate differential spectrophotometry;
--- Part 21. Determination of multi-element impurity content of atomic emission spectrometry;
--- Part 22. Determination of niobium content 5-Br-PADAP spectrophotometry and inductively coupled plasma atomic emission spectrometry;
--- Part 23. Determination of palladium content Stannous chloride - potassium iodide spectrophotometry and inductively coupled plasma atomic emission spectrometry;
--- Part 24. Determination of nickel content dimethylglyoxime spectrophotometry and inductively coupled plasma atomic emission spectrometry;
--- Part 25. Determination of chlorine content of silver chloride spectrophotometry;
--- Part 26. Determination of tungsten and tantalum content by inductively coupled plasma atomic emission spectrometry;
--- Part 27. Determination of neodymium content by inductively coupled plasma atomic emission spectrometry;
--- Part 28. Determination of ruthenium content Inductively coupled plasma atomic emission spectrometry.
This section GB/T 4698 Part 27.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This part is proposed by China Nonferrous Metal Industry Association.
This part of the National Non-ferrous Metal Standardization Technical Committee (SAC/TC243) centralized.
The main drafting units in this section. Northwest Nonferrous Metal Research Institute, Bao Titanium Group Co., Ltd., Beijing Nonferrous Metal Research Institute, the western metal
Materials Co., Ltd., Guangzhou Nonferrous Metal Research Institute, Zunyi Titanium Industry Co., Ltd., Chaoyang Kim Titanium Co., Ltd.
The main drafters of this section. Pauline, Julie, Li Bo, Liu Leilei, Sun Baolian, Liu Ting, Li Jian, Li Zhengan, Lee Man Chi, Li Tian,
Li Juan, Xiong Xiaoyan, Wang Caihua, Li Hua, He Xiongjie, Luo Lin, Li Hongzhao, Liu Wei.
Sponge titanium, titanium and titanium alloys - Methods for chemical analysis
Part 27. Determination of neodymium content
Inductively coupled plasma atomic emission spectrometry
1 Scope
GB/T 4698 provisions of this section sponge titanium, titanium and titanium alloy in the determination of the amount.
This section applies to the determination of neodymium in titanium sponge, titanium and titanium alloys. Measurement range .0.10% ~ 3.00%.
2 method summary
The sample is dissolved in sulfuric acid, nitric acid is added to oxidize the titanium. Inductively coupled plasma emission spectrometers were used at the recommended analytical line wavelengths
Neodymium was measured in the test solution emission intensity, obtained by the working curve of neodymium mass concentration.
3 reagent
Unless otherwise specified, only reagents that are identified as analytically pure and laboratory-grade water are used in the analysis.
3.1 Nitric acid (p = 1.42 g/mL).
3.2 Nitric acid (1 1).
3.3 Sulfuric acid (1 1).
3.4 titanium metal (wTi ≥ 99.9%, wNd ≤ 0.001%).
3.5 neodymium standard stock solution Accurately weigh 1.1664g of neodymium oxide (wNd2O5≥99.99%) which has been fired at 850 ℃ for 1h,
Cup, add 40mL nitric acid (3.2), low temperature heating to dissolve completely. Remove the cooling, into 1000mL volumetric flask, diluted with water until engraved
Degree, mix well. This solution 1 mL contains 1.0 mg neodymium.
3.6 Argon (volume fraction ≥ 99.99%).
4 instruments
4.1 Inductively Coupled Plasma Atomic Emission Spectrometer with a resolution of less than 0.006 nm (at.200 nm).
4.2 Element Recommended Analysis wavelength 410.9nm.
5 sample
Sponge titanium, titanium and titanium alloy sampling should follow the appropriate standard method has been promulgated.
6 Analysis steps
6.1 Sample
Weigh accurately sample 0.20g (Chapter 5), accurate to 0.0001g.
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