Purity assessment of thiamethoxam using mass balance and quantitative nuclear magnetic resonance

Xianjiang Li,Wei Zhang,Shukun Zhou,Xiao Li,Mengling Tu,Yunxiao Zhu,Qinghe Zhang,Hongmei Li

MICROCHEMICAL JOURNAL（2023）

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摘要

•A novel purity certified reference material of thiamethoxam was developed.•Structural related impurity guided the peak selection in qNMR.•The mass fraction and uncertainty evaluation were systematically investigated.

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关键词

thiamethoxam,purity,quantitative nuclear magnetic resonance

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