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General rules for chemical vapor generation-atomic fluorescence spectrometry
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Basic data
| Standard ID | GB/T 43970-2024 (GB/T43970-2024) |
| Description (Translated English) | General rules for chemical vapor generation-atomic fluorescence spectrometry |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | N53 |
| Classification of International Standard | 71.040 |
| Word Count Estimation | 14,122 |
| Date of Issue | 2024-04-25 |
| Date of Implementation | 2024-11-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 43970-2024: General rules for chemical vapor generation-atomic fluorescence 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 71:040
CCSN53
National Standards of People's Republic of China
Chemical Vapor Generation-Atomic Fluorescence Spectroscopy
General principles of analytical methods
Released on 2024-04-25
2024-11-01 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 Principle of analytical method 1
5 Reagents and Materials 2
6 Instruments 2
7 Sample pretreatment 2
8 Analysis steps and methods 3
9 Analysis Results 5
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: Tsinghua University, Beijing Qingzhi Analysis Technology Co:, Ltd:, China University of Geosciences (Wuhan), Sichuan University, Beijing Haibo University
Optical Instrument Co:, Ltd:, Beijing Electronic Science and Technology Vocational College, Beijing Ruiguang Instrument Co:, Ltd:, Beijing Jitian Instrument Co:, Ltd:, Beijing Puxitong
Instrument Co:, Ltd:, Enik Instrument (Beijing) Co:, Ltd:, Shanghai Tobacco Group Beijing Cigarette Factory Co:, Ltd:, Beijing Boya Instrument
Ltd:
The main drafters of this document are: Huang Xiu, Li Ming, Guo Wei, Fan Bowen, Xing Zhi, Wu Xi, Zhao Kang, Li Shuguang, Li Yi, Shi Chao, Zheng Qinglin, Gao Yonggang,
Xu Tongguang and Zhao Ping:
Chemical Vapor Generation-Atomic Fluorescence Spectroscopy
General principles of analytical methods
1 Scope
This document establishes general rules for the quantitative analysis of elements by chemical vapor generation-atomic fluorescence spectrometry:
This document is applicable to the use of chemical vapor generation-atomic fluorescence spectrometer to analyze the hydride and gaseous components in the sample by liquid injection:
Quantitative analysis of the content of elements such as centrifuge or cold vapor:
This document is not applicable to direct injection analysis of solids:
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 4470 Terminology for flame emission, atomic absorption and atomic fluorescence spectrometry
GB/T 4842 Argon
GB/T 6682 Specifications and test methods for water used in analytical laboratories
GB/T 13966 Terminology of analytical instruments
GB/T 27411 Uncertainty assessment methods and expressions commonly used in testing laboratories
JJG939 Atomic Fluorescence Spectrometer
3 Terms and definitions
The terms and definitions defined in GB/T 4470 and GB/T 13966 and the following apply to this document:
3:1
Use chemical reactions to generate gaseous atoms or compounds from elements:
Note: Includes hydride generation and cold vapor generation, etc:
3:2
Hydride generation
The element compound reacts with the reducing agent to form a gaseous covalent hydride:
3:3
Cold vapor generation
The element compound reacts with the reducing agent to produce gaseous ground state free atoms:
4 Principle of analytical method
The elements to be tested in the sample generate gaseous chemical vapor in a certain way and are converted into ground state atoms in the atomizer:
...
