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Chemical analysis methods of neodymium iron boron alloy--Part 2: Determination of fifteen REO relative contents
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XB/T 617.2-2014
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Basic data | Standard_ID | XB/T 617.2-2014 (XB/T617.2-2014) | | Description (Translated English) | Chemical analysis methods of neodymium iron boron alloy--Part 2: Determination of fifteen REO relative contents | | Sector / Industry | Rare Earth Metal Industry Standard (Recommended) | | Classification of Chinese Standard | H14 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 14,134 | | Date of Issue | 2014-10-14 | | Date of Implementation | 2015-04-01 | | Issuing agency(ies) | Ministry of Industry and Information Technology of the People Republic of China | XB/T 617.2-2014: Chemical analysis methods of neodymium iron boron alloy--Part 2: Determination of fifteen REO relative contents
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Chemical analysis methods of neodymium iron boron alloy--Part 2. Determination of fifteen REO relative contents
ICS 77.120.99
H14
China's rare earth industry standards
NdFeB alloy chemical analysis method
Part 2. Determination of fifteen rare earth elements
Part 2.DeterminationoffifteenREOrelativecontents
Published on.2014-10-14
2015-04-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China
Foreword
XB/T 617 "Chemical Analysis Method of NdFeB Alloy" is divided into 7 parts.
--- Part 1. Determination of the total amount of rare earths;
--- Part 2. Determination of the amount of fifteen rare earth elements;
--- Part 3. Determination of boron, aluminium, copper, cobalt, magnesium, silicon, calcium, vanadium, chromium, manganese, nickel, zinc and gallium - Inductively coupled plasma atomic
Shot spectroscopy
--- Part 4. Determination of iron content - Potassium dichromate titration;
---Part 5. Determination of zirconium, niobium, molybdenum, tungsten and titanium content by inductively coupled plasma atomic emission spectrometry;
--- Part 6. Determination of carbon content - high frequency - infrared absorption method;
--- Part 7. Determination of oxygen and nitrogen content Pulse-infrared absorption method and pulse-thermal conduction method.
This part is the second part of XB/T 617.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part includes method 1. inductively coupled plasma optical emission spectroscopy; method 2. X-ray fluorescence spectroscopy. Analysis of two methods
When there is overlap, method 2 is used as the arbitration method.
This part is under the jurisdiction of the National Rare Earth Standardization Committee (SAC/TC229).
This section is responsible for drafting units. Zhangzhou Jidong Rare Earth Group Co., Ltd., Beijing Nonferrous Metals Research Institute, China Nonferrous Metals
Industry Standard Measurement Quality Institute.
This section drafted by. Zhangzhou Jidong Rare Earth Group Co., Ltd., Zhangzhou Aikerui Chemical Metal Materials Testing Co., Ltd.
Participated in the drafting of this section. Baotou Rare Earth Research Institute, Zhangzhou Chenguang Rare Earth New Materials Co., Ltd., Beijing Zhongke Sanhuan High Technology Co., Ltd.
Co., Ltd., Zhangzhou Nonferrous Metallurgy Research Institute.
The main drafters of this section. Wen Bin, Yao Nanhong, Yan Life, Liu Zhuying.
Participated in the drafting of this section. Hao Hao, Jin Siqin Gaowa, Liu Chun, Jia Jingdong, Chen Yan, Xie Yali, Zhong Daoguo, Yang Feng, Liu Hong, Jiang Tianyi,
Wu Wenqi.
NdFeB alloy chemical analysis method
Part 2. Determination of fifteen rare earth elements
1 Scope
This part of XB/T 617 specifies the method for determining the amount of fifteen rare earth elements in NdFeB alloys, including Method 1. Inductive coupling, etc.
Ion emission spectroscopy; Method 2. X-ray fluorescence spectroscopy.
This section applies to the determination of fifteen rare earth elements in NdFeB alloys. The measurement ranges of Method 1 and Method 2 are shown in Tables 1 and 2, respectively.
Table 1
Element determination range /%
钇, 铈0.01~2.50
镧0.01~5.00
钐, 铽 0.01~3.00
镨0.10~11.00
钕0.10~30.00
铕, 铒, 铥, 镱, 镥 0.01~0.50
钆0.01~6.00
镝0.01~12.00
钬0.01~1.50
Table 2
Rare earth element rare earth element determination range /%
钇, 铈, 钐, 铕, 钆, 钬, 铒, 铥, 镱, 镥 0.05~0.30
镧0.05~6.00
铽0.05~1.00
镨0.10~10.00
钕0.10~30.00
镝0.05~15.00
2 Method 1. Inductively coupled plasma optical emission spectrometry
2.1 Principle of the method
The sample was decomposed by aqua regia and the content of rare earth elements was determined directly on a plasma emission spectrometer in a dilute acid medium and calculated.
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