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2003•Journal of Shihezi UniversityRequires access

Determination of Imidacloprid in Wheat Flour by High Performance Liquid Chromatography

Jing Wang

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Abstract

A method was reported for determination of Imidaclorid in wheat flour by high performance liquid ehromatogra-phy(HPLC) . Imidac'loprid was extracted with methanol in an ultrasonic hath, and purified through Sep-Pak column, then separated with UV detection. The content of hnidacloprid was determinated by external standard method. The determination limit was 0.05rng/kg. The recovery was more than 80% and RSD was under 7% .

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What this paper is about

A method was reported for determination of Imidaclorid in wheat flour by high performance liquid ehromatogra-phy(HPLC) . Imidac'loprid was extracted with methanol in an ultrasonic hath, and purified through Sep-Pak column, then separated with UV detection. The content of hnidacloprid was determinated by external standard method. The determination limit was 0.05rng/kg. The recovery was more than 80% and RSD was under 7% .

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Available abstract

A method was reported for determination of Imidaclorid in wheat flour by high performance liquid ehromatogra-phy(HPLC) . Imidac'loprid was extracted with methanol in an ultrasonic hath, and purified through Sep-Pak column, then separated with UV detection. The content of hnidacloprid was determinated by external standard method. The determination limit was 0.05rng/kg. The recovery was more than 80% and RSD was under 7% .

Key concepts: Chromatography, High-performance liquid chromatography, Wheat flour, Detection limit, Chemistry, Imidacloprid, Methanol, Food science

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