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Determination of Inorganic Arsenic in a Wide Range of Food Matrices using Hydride Generation - Atomic Absorption Spectrometry.
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[Determination of selenium in Tricholoma giganteum by flow injection-hydride generation-atomic absorption

Hong-Gao Liu1, Yuan-Zhong Wang, Tao Li

  • 1College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming 650201, China. Liuhonggao@hotmail.com

Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|December 7, 2007
PubMed

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Atomic Absorption Spectroscopy: Lab01:21

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For AAS measurements, samples must be introduced as clear solutions, often requiring extensive preliminary treatment to dissolve materials like soils, animal tissues, and minerals. Common methods for sample preparation include treatment with hot mineral acids, wet ashing, combustion in closed containers, high-temperature ashing, or fusion with reagents.
 Solutions containing organic solvents, such as low-molecular-mass alcohols, esters, or ketones, enhance absorbances by increasing nebulizer...