Internationally Harmonized Certified Reference Materials and Proficiency Testings for Pesticide Residue Analysis

Overview

Journal J Pestic Sci

Date 2021 Sep 27

PMID 34566465

Citations 2

Authors

Takamitsu Otake

Takashi Yarita

Affiliations

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Abstract

Matrix certified reference materials (CRMs) and proficiency testings (PTs) are effective for evaluation of the quality of analytical results. The National Metrology Institute of Japan has developed five kinds of CRMs and has provided eight PTs so far for the quantification of pesticide residues in foods. Target pesticides were sprayed on growing crops, and the harvests were used for the preparation of CRMs and PT samples. In most cases, multiple analytical methods based on isotope dilution mass spectrometry were used to ensure the reliability of certified values (for CRMs) and reference values (for PT samples). These activities were carried out with corresponding to the international standards such as ISO 17034 and ISO/IEC 17043. An overview of the development of CRMs and the implementation of PTs is described, with some examples.

Citing Articles

A reliable quantification of organophosphorus pesticides in brown rice samples for proficiency testing using Japanese official analytical method, QuEChERS, and modified QuEChERS combined with isotope dilution mass spectrometry.

Otake T, Nakamura K, Hirabayashi N, Watanabe T J Pestic Sci. 2024; 49(3):179-185.

PMID: 39398506 PMC: 11464266. DOI: 10.1584/jpestics.D24-021.

Assessment of the long-term stability of pesticide residues under freezing conditions in brown rice and soybean certified reference materials.

Otake T, Aoyagi Y, Yarita T J Pestic Sci. 2024; 49(1):46-51.

PMID: 38450090 PMC: 10912925. DOI: 10.1584/jpestics.D23-047.

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