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Methods for chemical analysis of gallium-based liquid metals - Part 1: Determination of lead, cadmium, mercury and arsenic contents - Inductively coupled plasma mass spectrometry
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GB/T 43604.1-2023
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Basic data | Standard ID | GB/T 43604.1-2023 (GB/T43604.1-2023) | | Description (Translated English) | Methods for chemical analysis of gallium-based liquid metals - Part 1: Determination of lead, cadmium, mercury and arsenic contents - Inductively coupled plasma mass spectrometry | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H14 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 10,190 | | Date of Issue | 2023-12-28 | | Date of Implementation | 2024-07-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 43604.1-2023: Methods for chemical analysis of gallium-based liquid metals - Part 1: Determination of lead, cadmium, mercury and arsenic contents - Inductively coupled plasma mass spectrometry
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 77:120:99
CCSH14
National Standards of People's Republic of China
Gallium-based liquid metal chemical analysis method
Part 1: Determination of lead, cadmium, mercury and arsenic content
Inductively coupled plasma mass spectrometry
Published on 2023-12-28
2024-07-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Foreword
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 1 of GB/T 43604 "Chemical Analysis Methods for Gallium-Based Liquid Metals": GB/T 43604 has released the following
part:
---Part 1: Determination of lead, cadmium, mercury and arsenic content by inductively coupled plasma mass spectrometry:
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 Nonferrous Metals Industry Association:
This document is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243):
This document was drafted by: National Standard (Beijing) Inspection and Certification Co:, Ltd:, Yunnan Zhongxuan Liquid Metal Technology Co:, Ltd:, Shenzhen Zhongjinling
Nan Nonferrous Metals Co:, Ltd:, Guohe General (Qingdao) Testing and Evaluation Co:, Ltd:, Shaoguan City, Guangdong Province Quality Measurement Supervision and Inspection Institute,
Zijin Mining Group Co:, Ltd:, Beikang Inspection Technology Co:, Ltd:, Guangdong Leading Thin Materials Co:, Ltd:, Chenzhou City Products
Quality Supervision and Inspection Institute, Guangdong Academy of Sciences Industrial Analysis and Testing Center, Zhuzhou Keneng New Materials Co:, Ltd:, Yunnan Kewei Liquid Metal
Gu R&D Co:, Ltd:, Yunnan Provincial Product Quality Supervision and Inspection Institute:
The main drafters of this document: Mo Shumin, Zhu Lihong, Li Aichang, Chen Xiongfei, Qiu Changdan, Cai Changli, Tan Xiuli, Liu Kai, Yuan Qi, Zuo Hongyi,
Gu Xusheng, Lin Binyu, Chen Daotong, Chen Zhuhai, Sun Menghe, Qiu Wensi, Xie Lei, Zhou Mingjun, Jin Zhihong, Chen Jingjing, Zhou Jiaolian, Zhao Kexiang, Bai Fan:
Introduction
Gallium-based liquid metal is an emerging class of functional materials that is liquid at room temperature and has good fluidity, electrical conductivity, thermal conductivity, and biocompatibility:
It has the characteristics of safety, self-healing and safety and non-toxicity: Gallium-based liquid metal is used in chip cooling, heat transfer, printed electronics, medical health, soft robots,
Sensors and actuators, anti-counterfeiting signs and other fields have great potential for development: GB/T 39859 "Gallium-based Liquid Metal" divides products according to melting temperature
For Category 5: The chemical composition of a product has an important impact on the properties of the product: At the same time, harmful elements such as lead, cadmium, and mercury are clearly regulated in the RoHS directive:
Limited requirements: GB/T 43604 is intended to consist of two parts:
---Part 1: Determination of lead, cadmium, mercury and arsenic content by inductively coupled plasma mass spectrometry: The purpose is to establish that lead, cadmium, mercury, arsenic
Content determination method:
---Part 2: Determination of hexavalent chromium content by spectrophotometry: The purpose is to establish a method for determining hexavalent chromium:
GB/T 43604 aims to establish gallium-based standards by specifying the scope of application, standardizing reagents, materials and equipment, and listing detailed test procedures:
Methods of chemical analysis of liquid metals: This document is part 1 of a series of methods for the determination of gallium bases using inductively coupled plasma mass spectrometry:
Mass fractions of lead, cadmium, mercury and arsenic in liquid metal:
Inductively coupled plasma mass spectrometry has the advantages of small interference, simultaneous determination of multiple elements, and low detection limit: It has been widely used in nonferrous metals and
Determination of trace impurity elements in its compounds: The establishment of this document solves the problem of determination of lead, cadmium, mercury and arsenic in gallium-based liquid metal, and is helpful for promoting
The production and trade of imported products are of great significance:
Gallium-based liquid metal chemical analysis method
Part 1: Determination of lead, cadmium, mercury and arsenic content
Inductively coupled plasma mass spectrometry
1 Scope
This document describes methods for the determination of lead, cadmium, mercury, and arsenic in gallium-based liquid metals:
This document is applicable to the determination of lead, cadmium, mercury and arsenic content in gallium-based liquid metal: Measuring range (mass fraction): 0:0001%~
0:010%:
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 6682 Specifications and test methods for water used in analytical laboratories
GB/T 8170 Numerical rounding rules and expression and determination of limit values
GB/T 17433 Basic terminology for chemical analysis of metallurgical products
3 Terms and definitions
The terms and definitions defined in GB/T 17433 apply to this document:
4 Principles
The sample is decomposed with nitric acid and hydrochloric acid, directly measured with an inductively coupled plasma mass spectrometer, and the mass concentration of each element is calculated according to the working curve method:
Degree, the measurement results are expressed as mass fractions: The internal standard method was used to correct the influence of instrument drift and matrix effect on the determination:
5 reagents or materials
Unless otherwise stated, only reagents confirmed to be of superior grade purity or above are used in the analysis:
5:1 Water, GB/T 6682, Level 1:
5:2 Hydrochloric acid (ρ=1:19g/mL):
5:3 Nitric acid (ρ=1:42g/mL):
5:4 Hydrogen peroxide (ρ=1:1g/mL):
5:5 Nitric acid-potassium dichromate solution: weigh 0:5g potassium dichromate and dissolve it in water, add 50mL nitric acid (5:3), and transfer it to 1000mL capacity
In the bottle, dilute to volume with water and mix well:
5:6 Standard storage solutions: For lead, cadmium, mercury, arsenic, rhodium, and thallium, use single-element standard storage solutions with certificates within the validity period: The mass concentration is
100μg/mL: It can also be prepared and used according to the preparation methods in 5:7~5:12:
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GB/T 43604.1-2023: Methods for chemical analysis of gallium-based liquid metals - Part 1: Determination of lead, cadmium, mercury and arsenic contents - Inductively coupled plasma mass spectrometry
Status: Valid
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