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GB/T 13748.23-2024 English PDF

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GB/T 13748.23-2024: Methods for chemical analysis of magnesium and magnesium alloys - Part 23: Determination of elements content - Wavelength dispersive X-ray fluorescence spectrometric method
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GB/T 13748.23-2024English249 Add to Cart 3 days [Need to translate] Methods for chemical analysis of magnesium and magnesium alloys - Part 23: Determination of elements content - Wavelength dispersive X-ray fluorescence spectrometric method Valid GB/T 13748.23-2024

Standard similar to GB/T 13748.23-2024

GB/T 13748.24   GB/T 13748.20   GB/T 13748.15   

Basic data

Standard ID GB/T 13748.23-2024 (GB/T13748.23-2024)
Description (Translated English) Methods for chemical analysis of magnesium and magnesium alloys - Part 23: Determination of elements content - Wavelength dispersive X-ray fluorescence spectrometric method
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H12
Classification of International Standard 77.040.30
Word Count Estimation 12,141
Date of Issue 2024-10-26
Date of Implementation 2025-05-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 13748.23-2024: Methods for chemical analysis of magnesium and magnesium alloys - Part 23: Determination of elements content - Wavelength dispersive X-ray fluorescence spectrometric method



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Methods for chemical analysis of magnesium and magnesium alloys - Part 23.Determination of elements content - Wavelength dispersive X-ray fluorescence spectrometric method Chemical analysis methods for magnesium and magnesium alloys Part 23.Determination of element content Wavelength dispersive X-ray fluorescence spectrometry Methods for chemical analysis of magnesium and magnesium alloys- Part 23.Determination of elements content- Wavelength dispersive X-ray fluorescence spectrometric method ICS 77.040.30 CCS H 12 National Standard of the People's Republic of China Released on October 26, 2024 Implementation on May 1, 2025 State Administration for Market Regulation The National Standardization Administration issued

Preface

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. This document is Part 23 of GB/T 13748 Chemical Analysis Methods for Magnesium and Magnesium Alloys. GB/T 13748 has been published as follows part. Part 1.Determination of aluminum content;- Determination of tin content-Catechol violet spectrophotometric method (GB/T 13748.2); Determination of lithium content-Flame atomic absorption spectrometry (GB/T 13748.3); Part 4.Determination of manganese content - Periodate spectrophotometric method; Determination of yttrium content-Inductively coupled plasma atomic emission spectrometry (GB/T 13748.5); Determination of silver content-Flame atomic absorption spectrometry (GB/T 13748.6); Part 7.Determination of zirconium content; Part 8.Gravimetric method for determination of rare earth content; Part 9.Determination of iron content - o-Phenanthroline spectrophotometric method; Part 10.Determination of silicon content - Molybdenum blue spectrophotometric method; Determination of beryllium content - chromium cyanine blue R spectrophotometric method (GB/T 13748.11); Part 12.Determination of copper content;- Determination of lead content by flame atomic absorption spectrometry (GB/T 13748.13); Part 14.Determination of nickel content - Dimethylglyoxime spectrophotometric method; Part 15.Determination of zinc content;- Determination of calcium content-Flame atomic absorption spectrometry (GB/T 13748.16); Determination of potassium and sodium content-Flame atomic absorption spectrometry (GB/T 13748.17); Determination of chlorine content-Silver chloride turbidimetric method (GB/T 13748.18); Determination of titanium content-Diantipyrine methane spectrophotometric method (GB/T 13748.19); Part 20.Determination of elemental content - Inductively coupled plasma atomic emission spectrometry; Part 21.Determination of element content by photoelectric direct reading atomic emission spectrometry; Part 22.Determination of thorium content; Part 23.Determination of elemental content - Wavelength dispersive X-ray fluorescence spectrometry; Part 24.Determination of trace impurities by glow discharge mass spectrometry. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed by China Nonferrous Metals Industry Association. This document is under the jurisdiction of the National Technical Committee on Standardization of Nonferrous Metals (SAC/TC 243). This document was drafted by. Chinalco Zhengzhou Nonferrous Metals Research Institute Co., Ltd., Southwest Aluminum (Group) Co., Ltd., China Aircraft Missile Research Institute, Hebi Product Quality Inspection and Testing Center, Nonferrous Metals Technology and Economic Research Institute Co., Ltd., National Standard (Beijing) Inspection Certification and Inspection Co., Ltd., Shanghai Jiao Tong University, Kunming Metallurgical Research Institute Co., Ltd., Zhengzhou Qingyan Alloy Technology Co., Ltd., Shanxi Yinguanghua Shengmei Industry Co., Ltd. and Baotou Aluminum Co., Ltd. The main drafters of this document are. Bai Wanli, Gu Liu, Liu Gongda, Zhou Wenyong, Sun Zhiyang, Xie Yuanping, Wu Yang, Yan Chunyan, Yu Lei, Jiang Li, Luo Shun, Xue Ning, Zhang Yuanke, Xiao Yang, Zhang Hongfang, Chen Yu, and Shan Xin.

introduction

Magnesium and magnesium alloys are important metal materials. GB/T 13748 "Chemical Analysis Methods for Magnesium and Magnesium Alloys" defines the chemical composition of magnesium and magnesium alloys. Analysis and testing plays an important role and is widely used in many fields such as magnesium and magnesium alloy product research and development, trade settlement, chemical element comparison, etc. It provides important support for the research and development, production, and trade of magnesium and magnesium alloy products in China. GB/T 13748 includes spectrophotometry, gravimetric method, atomic absorption spectrometry, inductively coupled plasma atomic emission spectrometry, optical Various analytical methods such as direct reading spectrometry and wavelength dispersive X-ray fluorescence spectrometry are aimed at standardizing the chemical analysis that affects the performance of magnesium and magnesium alloy products. Chemical elements such as aluminum, tin, lithium, manganese, zinc, zirconium, nickel, copper, beryllium, silicon, iron, lanthanum, cerium, praseodymium, neodymium, gadolinium, yttrium, etc. After optimization and integration, it is planned to consist of the following parts. Part 1.Determination of aluminum content; Part 2.Determination of tin, beryllium, copper, nickel and titanium content - Spectrophotometric method; Part 3.Determination of lithium and silver content - Atomic absorption spectrometry; Part 4.Determination of manganese and zirconium content - Spectrophotometric method; Part 8.Determination of rare earth content; Part 9.Determination of iron and silicon content - Spectrophotometric method; Part 13.Determination of lead, calcium, potassium and sodium content - Atomic absorption spectrometry; Part 15.Determination of zinc content;- Part 18.Determination of chlorine content - Silver chloride turbidimetric method; Part 20.Determination of elemental content - Inductively coupled plasma atomic emission spectrometry; Part 21.Determination of element content - Photoelectric direct reading atomic emission spectrometry; Part 22.Determination of thorium content; Part 23.Determination of elemental content - Wavelength dispersive X-ray fluorescence spectrometry; Part 24.Determination of trace impurities by glow discharge mass spectrometry. This document gives the determination of aluminum, zinc, manganese, silicon, iron, The XRF method can simultaneously determine the content of copper, titanium, strontium, nickel, lead, zirconium, gadolinium, yttrium, cerium and neodymium in magnesium and magnesium alloy samples. Multiple elements, no need to clean when switching between multiple alloy varieties, no cross contamination, at the same time, XRF spectrum determination cross-sectional area is large and representative Stronger; The feasibility of XRF method was verified through precision and accuracy test, and the precision of the method and the accuracy of different series of grades were given. XRF Calibration Scheme. This document can meet the current needs of magnesium and magnesium alloy production, trade, analysis and testing. Chemical analysis methods for magnesium and magnesium alloys Part 23.Determination of element content Wavelength dispersive X-ray fluorescence spectrometry

1 Scope

This document describes the elements aluminum, zinc, manganese, silicon, iron, copper, titanium, strontium, nickel, lead, zirconium, gadolinium, yttrium, cerium and neodymium in magnesium and its alloys. Method for determination of content. This document applies to aluminum, zinc, manganese, silicon, iron, copper, titanium, strontium, nickel, lead, zirconium, gadolinium, yttrium, cerium, neodymium and other metals in magnesium and magnesium alloy products. Determination of element content, the determination range is shown in Table 1. Table 1 Measurement range element Quality score element Quality score Al 0.005 0～12.00 Ni 0.002 0～0.060 Zn 0.002 0～8.50 Pb 0.002 0～0.010 Mn 0.002 0～2.00 Zr 0.10～1.10 Si 0.005 0～2.00 Gd 3.50～11.00 Fe 0.002 0～0.050 Y 0.10～4.50 Cu 0.002 0～5.00 Ce 0.10～4.50 Ti 0.002 0～0.010 Nd 0.10～3.50 Sr 0.002 0～0.030 - -

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies. In this document. GB/T 8170 Rules for rounding off values and expression and determination of limit values

3 Terms and Definitions

There are no terms or definitions that require definition in this document.

4 Principles

The sample is made into a size suitable for X-ray fluorescence spectrometer measurement, and the sample measurement surface is processed into a smooth plane by milling machine or lathe. The X-ray beam is excited to obtain the characteristic X-ray fluorescence intensity of the element to be measured, and the content of the element to be measured is automatically calculated based on the calibration curve.

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