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DETERMINATION OF SELENIUM IN GRAINS BY MICROWAVE DIGESTION-HYDRIDE GENERATION ATOMIC FLUORESCENCE SPECTROMETRY

QU Xiao-xia

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Abstract

Samples were digested by microwave oven and selenium was determined by hydride generation-atomic fluorescence spectrometry.Digestion conditions such as temperature,pressure,time,solvent and spectrometer measurement parameters were optimized.The detection limit was 0.20μg /L and linear range was 1.00μg /L-100.00μg /L with recovery of 96.4%-108.3% and RSD of 3.30%-3.65%.The method showed to be rapid and simple with wide linear range and less pollution.

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What this paper is about

Samples were digested by microwave oven and selenium was determined by hydride generation-atomic fluorescence spectrometry.Digestion conditions such as temperature,pressure,time,solvent and spectrometer measurement parameters were optimized.The detection limit was 0.20μg /L and linear range was 1.00μg /L-100.00μg /L with recovery of 96.4%-108.3% and RSD of 3.30%-3.65%.The method showed to be rapid and simple with wide linear range and less pollution.

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Available abstract

Samples were digested by microwave oven and selenium was determined by hydride generation-atomic fluorescence spectrometry.Digestion conditions such as temperature,pressure,time,solvent and spectrometer measurement parameters were optimized.The detection limit was 0.20μg /L and linear range was 1.00μg /L-100.00μg /L with recovery of 96.4%-108.3% and RSD of 3.30%-3.65%.The method showed to be rapid and simple with wide linear range and less pollution.

Key concepts: Microwave digestion, Hydride, Selenium, Detection limit, Linear range, Analytical Chemistry (journal), Chemistry, Mass spectrometry

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DETERMINATION OF SELENIUM IN GRAINS BY MICROWAVE DIGESTION-HYDRIDE GENERATION ATOMIC FLUORESCENCE SPECTROMETRY — Research Paper | ScholarLens