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Journal of the Korean Society for Environmental Analysis 2017;20(4):229-238.
Development of Proficiency Testing Scheme on Pesticide Residues in Crops for Testing Institute
농약 숙련도 시험용 농약 표준시료(PTMs) 제조방법 확립 및 적용성 평가
권종국1, 이기승2, 이석기2
1국립인천대학교
2우석대학교
Abstract
This paper reports the establishment of a proficiency testing (PT) scheme for pesticide residue in crops using relevant international standards (KS Q ISO 13528 & ISO/IEC 17043). The proficiency testing materials (PTMs) are made from freeze-dried Welsh onion powder spiked with the pesticide Procymidone. The results of the analysis were reported by 25 participating organizations and evaluated via Horwitz standard deviation and zscore. The histogram and box plot of the Procymidone analyses clearly show that 22 (88%) of the 25 participating organizations can be approved as qualified test institutions for Procymidone residue analysis in crops.
Key Words: PT, Pesticide, Homogeneity, Stability, Procymidone
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