Search result: GB/T 223.92-2023
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Iron, steel and alloy - Determination of lanthanum, cerium, praseodymium, neodymium and samarium content - Inductively coupled plasma mass spectrometry
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GB/T 223.92-2023
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| Standard ID | GB/T 223.92-2023 (GB/T223.92-2023) | | Description (Translated English) | Iron, steel and alloy - Determination of lanthanum, cerium, praseodymium, neodymium and samarium content - Inductively coupled plasma mass spectrometry | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H11 | | Classification of International Standard | 77.080.01 | | Word Count Estimation | 22,251 | | Date of Issue | 2023-09-07 | | Date of Implementation | 2024-04-01 | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration |
GB/T 223.92-2023. Determination of lanthanum, cerium, praseodymium, neodymium and samarium content in steel and alloys by inductively coupled plasma mass spectrometry
ICS 77.080.01
CCSH11
National Standards of People's Republic of China
Determination of lanthanum, cerium, praseodymium, neodymium and samarium content in steel and alloys
Inductively coupled plasma mass spectrometry
Published on 2023-09-07
2024-04-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Preface
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
This document is Part 92 of GB/T 223.The published parts of GB/T 223 are shown in Appendix A.
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is proposed by the China Iron and Steel Industry Association.
This document is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183).
This document was drafted by. Inner Mongolia Baogang Steel Union Co., Ltd., Baotou Customs Comprehensive Technical Service Center, Gangyan Nanok Testing Technology
Co., Ltd., Baoshan Iron and Steel Co., Ltd., Shanghai Materials Research Institute, Shougang Group Co., Ltd., Shanxi Taigang Stainless Steel Co., Ltd.
Company, Luoyang Ship Materials Research Institute (No. 725 Research Institute of China State Shipbuilding Corporation), MCC Testing and Certification Co., Ltd., Baotou Rare
Soil Research Institute, Marine Inspection and Testing Co., Ltd.
The main drafters of this document. Wang Yanqiu, Yang Chunyan, Liang Zhengwei, Zhao Jing, Luo Qianhua, Julie, Chang Huan, Ren Yichen, Zhang Jianjun, Liu Gangyao,
Wang Jingzhong, Zhang Pengxiang, Sun Xiaofei, Chen Zhongying, Zhao Mengying, Zhao Yanbing, Wang Xian'an, Liu Pan, Zhang Yi, Niu Huxia, Bao Xiangchun, Du Yuting, Wei Feng,
Kang Jing.
introduction
Steel is the mainstay of the national economy, the lifeblood of the country, and the material guarantee for the country's survival and development. Standard system in the steel field
Among them, the standard system for determination of chemical composition of steel and alloys is a very important part, which has been developed in ensuring the quality of steel and alloy products.
Playing an important role, this series of method standards serve the production, trade and application of steel and alloys, and provide high-quality development for my country’s steel industry.
Provide technical support.
GB/T 223 includes a series of standards for determination methods of chemical composition of steel and alloys, which respectively stipulates the content of carbon, silicon, and other chemical components in steel and alloy products.
Manganese, phosphorus, sulfur, nickel, chromium, molybdenum, copper, vanadium, aluminum, titanium, cobalt, tungsten, niobium, zirconium, tantalum, calcium, magnesium, zinc, iron, arsenic, lead, tin, antimony, bismuth, cadmium, Selenium, tellurium, cerium, boron,
Method for determination of chemical components such as oxygen, nitrogen, hydrogen, total rare earth content and hydrochloric acid insoluble matter.
In 1963, GB/T 223 released 12 national standards for the determination of chemical composition of steel for the first time. With the analysis in the field of steel and alloys,
The development of technology and actual production needs, after years of continuous revision work, have formed a relatively complete standard system.
See Appendix A for details of the constituent documents of GB/T 223.
GB/T 223.92 provides a method for determining the content of lanthanum, cerium, praseodymium, neodymium and samarium in steel and alloys by inductively coupled plasma mass spectrometry.
The method has filled the gaps in related domestic research fields and reached the international advanced level.
Determination of lanthanum, cerium, praseodymium, neodymium and samarium content in steel and alloys
Inductively coupled plasma mass spectrometry
Warning---Personnel using this document should have practical experience in regular laboratory work. This document does not address all possible security issues
question. Users are responsible for taking appropriate safety and health measures and ensuring compliance with the conditions stipulated in relevant national regulations.
1 Scope
This document describes a method for the determination of lanthanum, cerium, praseodymium, neodymium and samarium by inductively coupled plasma mass spectrometry.
This document applies to lanthanum, praseodymium, samarium and lanthanum, praseodymium and samarium with a mass fraction of 0.0001%~0.0100% in cast iron, steel and high-temperature alloys.
Determination of 0.0002%~0.0100% cerium and neodymium content.
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document.
GB/T 6379.1 Accuracy of measurement methods and results (correctness and precision) Part 1.General principles and definitions
GB/T 6379.2 Accuracy of measurement methods and results (correctness and precision) Part 2.Determination of repeatability of standard measurement methods
Basic methods of sex and reproducibility
GB/T 6682 Specifications and test methods for water used in analytical laboratories
GB/T 20066 Methods for sampling and preparation of samples for determination of chemical composition of steel and iron
3 Terms and definitions
There are no terms or definitions to be defined in this document.
4 Principles
After the sample is decomposed with an appropriate acid, the diluted test solution is introduced into the inductively coupled plasma mass spectrometer through a peristaltic pump.
The mass spectrometer simultaneously measures the relative mass spectrum signal intensity of lanthanum, cerium, praseodymium, neodymium, samarium and internal standard cesium.
The calibration solution and calibration blank are matrix-matched with the major elements of the tested sample and acid used for sample decomposition, and internal standards are used to compensate for instrument drift.
and matrix effects.
5 reagents or materials
Unless otherwise stated, only reagents and materials confirmed to be of superior purity and with a mass fraction of less than 0.00001% of each element to be measured are used in the analysis.
Secondary water specified in GB/T 6682.
5.1 Pure iron
The mass fraction of each element to be measured is less than 0.00001%.
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