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GB/T 43363-2023: Determination for speciation of 12 elements such as copper, zinc, cadmium, lead and chromium in waste chemicals - Sequential extraction procedure
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GB/T 43363-2023: Determination for speciation of 12 elements such as copper, zinc, cadmium, lead and chromium in waste chemicals - Sequential extraction procedure

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ICS 13:030:01 CCSZ05 National Standards of People's Republic of China 12 types of waste chemicals including copper, zinc, cadmium, lead, and chromium Continuous extraction method for determination of elemental form distribution Published on 2023-11-27 2024-06-01 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: 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 China Petroleum and Chemical Industry Federation: This document is under the jurisdiction of the National Technical Committee on Standardization of Waste Chemical Disposal (SAC/TC294): This document was drafted by: Tongji University, Shanghai Setrik Environmental Protection Technology Co:, Ltd:, Shanghai Environmental Engineering Design Research Institute Co:, Ltd: Company, Shenzhen Environmental Protection Technology Group Co:, Ltd:, Guangzhou Environmental Protection Technology Co:, Ltd:, CIMC Anruihuan Technology Co:, Ltd: Division, Jena Analytical Instruments (Shanghai) Co:, Ltd:, Beihai Lithium Energy New Material Technology Co:, Ltd:, Anhui University Green Industry Innovation Research Institute, Chongqing Xinshen Century New Material Technology Co:, Ltd:, East China Normal University, Sichuan Mianyang Huayida Chemical Co:, Ltd:, Shanghai Fujie Environmental Protection Technology Co:, Ltd:, Zhejiang Shuizhiyin Testing Co:, Ltd:, and CNOOC Tianjin Chemical Research and Design Institute Co:, Ltd: The main drafters of this document: Zhang Bingru, Wang Jun, Zhang Ruina, Wen Yanshen, Gao Zhongben, Ling Baihua, Li Guang, Chen Hongmian, Liu Zhiqi, Shen Jing, He Yan, Fan Xingmu, Qu Xianwei, Ruan Jiaqi, Wang Xinyu, Jia Yue, Hu Yuanjuan, Lin Dandan, Chang Shuyun, Li Jing, Lu Chunrong, An Xiaoying: 12 types of waste chemicals including copper, zinc, cadmium, lead, and chromium Continuous extraction method for determination of elemental form distribution Warning: Personnel using this document should have experience in regular laboratory work practices: This document does not identify all possible security issues: Users are responsible for taking appropriate safety and health measures and ensuring compliance with the conditions stipulated in relevant national regulations: Parts used in this document The reagents are toxic, strongly oxidizing, and corrosive: Care must be taken during operation: When necessary, it should be performed in a fume hood: If splashed on skin or eyes Eyes should be rinsed with water immediately, and severe cases should be treated immediately:

1 Scope

This document describes the continuous extraction method for the determination of copper (Cu), zinc (Zn), cadmium (Cd), lead (Pb), chromium (Cr), and silver in waste chemicals: Methods for the form distribution of 12 elements (Ag), arsenic (As), barium (Ba), beryllium (Be), mercury (Hg), nickel (Ni) and selenium (Se), including general provisions, samples Product processing, determination of element types and total content in the sample to be tested, extraction and determination: This document applies to solid or semi-solid waste chemicals:

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 6682-2008 Specifications and test methods for water used in analytical laboratories GB/T 33057 Sampling and Preparation Methods for Waste Chemicals

3 Terms and definitions

The following terms and definitions apply to this document: 3:1 element formspeciationofelements The actual form in which an element exists as an ion or molecule in a matrix: Note: Based on the continuous extraction procedure, the elemental forms are divided into exchangeable states, carbonate-bound states, reducible states, oxidizable states, residual states, and water-soluble states: 3:2 It consists of multiple steps, and adopts a series of extractions such as neutral, acidic, strongly acidic, non-redox, redox, and strong oxidizing: Agent, a method of continuously extracting the exchangeable state, carbonate-bound state, reducible state, oxidizable state and residual state of various elements in waste chemicals: 3:3 exchangeablefraction The form of elements extracted and exchanged by magnesium chloride solution: 3:4 Elemental form extracted by sodium acetate-acetic acid solution: ...