GB/T 43865-2024 English PDF

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GB/T 43865-2024: General rules for direct sampling mercury analysis method
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Basic data

Standard ID: GB/T 43865-2024 (GB/T43865-2024)
Description (Translated English): General rules for direct sampling mercury analysis method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N04
Classification of International Standard: 71.040.01
Word Count Estimation: 18,152
Date of Issue: 2024-04-25
Date of Implementation: 2024-04-25
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 43865-2024: General rules for direct sampling mercury analysis method

---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 71:040:01 CCSN04 National Standards of People's Republic of China General principles for the analysis of mercury by direct injection Released on 2024-04-25 2024-04-25 implementation State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Reagents and Materials 2 5 Instruments and Equipment 2 6 Sample 3 7 Analysis steps and methods 3 8 Report of analysis results 5 9 Environment and Safety 6 Appendix A (Informative) Instrument Reference Conditions 8 Appendix B (Normative) Method Performance Evaluation 10

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 for standardization documents" Drafting: 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 was proposed by the Ministry of Science and Technology of the People's Republic of China: This document is under the jurisdiction of the National Technical Committee for Standardization of Instrumental Analysis and Testing (SAC/TC481): This document was drafted by: Institute of Agricultural Quality Standards and Testing Technology, Chinese Academy of Agricultural Sciences, Agricultural Quality Standards and Testing Technology, Guangdong Academy of Agricultural Sciences Institute of Standards and Monitoring Technology, Yunnan Huace Testing and Certification Co:, Ltd:, Guangdong Academy of Sciences Testing and Analysis Institute (Guangzhou Analytical Testing Center), Beijing Haiguang Instrument Co:, Ltd:, Beijing Labtech Instrument Co:, Ltd:, Changsha Kaiyuan Hongsheng Technology Co:, Ltd:, Beijing Ji Tian Instrument Co:, Ltd:, Beijing Lumei Instrument Equipment Co:, Ltd:, Tsinghua University, Central China Normal University, Agricultural Product Quality and Safety Administration of the Ministry of Agriculture and Rural Affairs Full supervision, inspection and testing center: The main drafters of this document are: Mao Xuefei, Wang Xu, Li Xue, Guo Pengran, Xing Zhi, Meng Fansheng, Yang Yunhua, Yin Jianzhen, Feng Li, Shi Chao, Zhang Chao, Guo Yanbing, Lin Jianqi, Fan Bowen, Pan Jiachuan, Qi Yuehan, Liu Tengpeng, Lü Zhaohui, Lei Yajie: General principles for the analysis of mercury by direct injection

1 Scope

This document establishes general rules for quantitative analysis using the direct injection mercury method: This document applies to the quantitative analysis of mercury in solid and liquid samples that can be directly injected:

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 to This document: GB/T 602 Preparation of standard solutions for determination of impurities in chemical reagents GB/T 622 Chemical reagent hydrochloric acid GB/T 626 Chemical reagent nitric acid GB/T 638 Chemical reagent stannous chloride dihydrate (stannous chloride) GB/T 642 Chemical reagent potassium dichromate GB/T 4842 Argon GB/T 6379:1 Accuracy (trueness and precision) of measurement methods and results Part 1: General principles and definitions GB/T 6379:2 Accuracy (trueness and precision) of measurement methods and results 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 8979 Pure nitrogen, high purity nitrogen and ultra-pure nitrogen GB/T 13966 Terminology of analytical instruments GB/T 14599 Pure oxygen, high purity oxygen and ultrapure oxygen GB/T 27411 Uncertainty evaluation methods and expressions commonly used in testing laboratories GB/T 27415 Evaluation of detection limit and quantification limit of analytical methods JB/T 5228-2018 Mercury Analyzer

3 Terms and definitions

The terms and definitions defined in GB/T 13966 and GB/T 27411 and the following apply to this document: 3:1 The mercury in the sample is introduced and atomized by chemical reduction or thermal desorption, and is enriched with amalgam or brought directly into the detector via carrier gas: Special instrument for measuring mercury: Note: Mercury analyzer is used to measure the atomic absorption signal at a wavelength of 253:7 nm, or the atomic fluorescence signal generated by mercury lamp excitation, or other observable Signal: ......

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