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GB/T 40312-2021: Ferrophosphorus - Determination of phosphorus, silicon, manganese and titanium content - Wavelength dispersive X-ray fluorescence spectrometry method(Fused cast bead method)
Status: Valid
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| GB/T 40312-2021 | English | 279 |
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Ferrophosphorus - Determination of phosphorus, silicon, manganese and titanium content - Wavelength dispersive X-ray fluorescence spectrometry method(Fused cast bead method)
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GB/T 40312-2021
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Basic data | Standard ID | GB/T 40312-2021 (GB/T40312-2021) | | Description (Translated English) | Ferrophosphorus - Determination of phosphorus, silicon, manganese and titanium content - Wavelength dispersive X-ray fluorescence spectrometry method(Fused cast bead method) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H11 | | Word Count Estimation | 14,119 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 40312-2021: Ferrophosphorus - Determination of phosphorus, silicon, manganese and titanium content - Wavelength dispersive X-ray fluorescence spectrometry method(Fused cast bead method)
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Ferrophosphorus - Determination of phosphorus, silicon, manganese and titanium content - Wavelength dispersive X-ray fluorescence spectrometry method(Fused cast bead method)
ICS 77.100
CCSH11
National Standards of People's Republic of China
Determination wavelength of phosphorus, iron, phosphorus, silicon, manganese and titanium content
Dispersive X-ray fluorescence spectrometry (melting cast glass sheet method)
Released on 2021-08-20
2022-03-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
This document was proposed by the China Iron and Steel Association.
This document is under the jurisdiction of the National Pig Iron and Ferroalloy Standardization Technical Committee (SAC/TC318).
Drafting organizations of this document. Handan Branch of Hegang Co., Ltd., Fujian Sangang Minguang Co., Ltd., Guangdong Shaogang Songshan Co., Ltd.
Co., Ltd., Qingdao Boxinda Technology Co., Ltd., Hebei Jinxi International Trade Co., Ltd., Qingdao Dehong Jinxin Technology Co., Ltd., Shanghai Li
Run Mechanical and Electrical Equipment Co., Ltd., Metallurgical Industry Information Standards Research Institute.
The main drafters of this document. Li Yaoqiang, Wang Binguo, Chen Zigang, Teng Guangqing, Zhang Gaimei, Bao Xibo, Shang Ying, Zhao Jing, Gu Qiang, Wu Zhanghai,
Wu Yugen, Xie Zhixiong, Ji Rongyu, Li Jinglin, Ye Aili, Han Xuesong, Xiao Mingdong, Wu Chaochao, Cao Wenjun, Shang Congya, Zhang Qian, Liu Jinfeng,
Wang Chenweng.
Determination wavelength of phosphorus, iron, phosphorus, silicon, manganese and titanium content
Dispersive X-ray fluorescence spectrometry (melting cast glass sheet method)
Warning---Personnel using this document should have formal laboratory work experience. This document does not indicate all possible safety issues
question. The user is responsible for taking appropriate safety and health measures and ensuring compliance with the conditions stipulated by relevant national laws and regulations.
1 Scope
This document describes the method for determining the content of phosphorus, silicon, manganese and titanium in ferrophosphorus by wavelength dispersive X-ray fluorescence spectrometry.
This document is applicable to the determination of phosphorus, silicon, manganese and titanium content in ferrophosphorus. See Table 1 for the determination range of each analysis element.
Table 1 Analytical elements and measurement range
Analytical element determination range (mass fraction)/%
Si
Mn
Ti
15.0~30.0
0.50~3.00
0.10~2.50
0.10~2.00
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
GB/T 4010 Collection and preparation of samples for chemical analysis of ferroalloys
GB/T 6379.1 Accuracy of measurement methods and results (accuracy and precision) Part 1.General principles and definitions
GB/T 6379.2 Accuracy of measurement methods and results (accuracy and precision) Part 2.Determine the repeatability of standard measurement methods
Basic methods of sex and reproducibility
GB/T 6682 Analytical laboratory water specifications and test methods
GB/T 8170 Numerical rounding rules and the expression and determination of limit values
GB/T 16597 General Rules of X-ray Fluorescence Spectrometry for Analysis Methods of Metallurgical Products
JJG810 Wavelength Dispersive X-ray Fluorescence Spectrometer
3 Terms and definitions
There are no terms and definitions that need to be defined in this document.
4 Principle
After the sample is subjected to a special pre-oxidation treatment, it is melted into a flat and smooth glass sample, and the primary X-rays generated by the X-ray tube are irradiated to the glass.
On the surface of the glass sample, the characteristic X-rays generated are split by the crystal, and the detector measures the X at the 2θ angle corresponding to the selected characteristic wavelength.
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