GB/T 43968-2024 in English

VALID

General rules for high performance liquid chromatography-atomic fluorescence spectrometry analysis method

Issued on:2024-04-25
Implemented on:2024-11-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $270.00
$262.00

Standard No:	GB/T 43968-2024
Document status:	VALID
Title in English:	General rules for high performance liquid chromatography-atomic fluorescence spectrometry analysis method
Title in Chinese:	高效液相色谱-原子荧光光谱仪联用分析方法通则
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2024-04-25
Implemented on:	2024-11-01
Professional Classification:	GB-National Standard
Related Keywords:	chromatography-atomic fluorescence spectrometry analysis method introduction standard framework technology evolution analysis hplc-afs instrument performance hplc-afs analysis methods standard dimensions gb/t principle high performance liquid chromatography high performance
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《GB/T 43968-2024高效液相色谱-原子荧光光谱仪联用分析方法通则》由TC481（全国仪器分析测试标准化技术委员会）归口，主管部门为科学技术部。

Introduction

Standard framework for HPLC-AFS analysis methods

Standard dimensions	GB/T 43968-2024 requirements	International comparative references (such as ISO standards)	Technology evolution analysis
HPLC-AFS	Instrument performance must meet the requirements of JJG 1151, including detector sensitivity and baseline stability.	International standards usually require higher sensitivity and shorter analysis time.	Technological progress in recent years is mainly reflected in improved separation efficiency and reduced detection limit.
Sample treatment	It is necessary to avoid the transformation of the morphology of the components to be tested. It is recommended to use standard methods for pretreatment.	Internationally, efficient methods such as microwave-assisted acid hydrolysis are widely used.	Automated pretreatment technology has developed significantly.
Analysis steps	Includes condition selection, baseline confirmation, interference elimination and injection operation.	Compared with the ISO method, this standard pays more attention to the separation ability of complex samples.	The application of online digestion technology is an important recent development.

Practical application case of instrument working principle

High performance liquid chromatography (HPLC):Used to separate complex sample components, especially suitable for trace analysis. For example, in the determination of inorganic arsenic in food, an anion exchange column is used to achieve effective separation.

Atomic Fluorescence Spectrometer (AFS):Detects the fluorescence signal of specific elements and is particularly sensitive to elements in the form of hydrides, gaseous components or cold vapor. For example, in the determination of selenoamino acids, a flame atomizer and a high-sensitivity detection system are used.

Advantages of Hyphenated Technology:Combining the separation power of HPLC and the high sensitivity of AFS, accurate qualitative and quantitative analysis of target components in complex samples can be achieved.

More samples: DL/T 368-2010 DL/T 5154-2012 QC/T 942-2021

Sample only — not a preview of GB/T 43968-2024

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