| 光谱学与光谱分析 |
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| Determination of Arsenic in As2O3-Treated Esophagoscope-Transplant Mouse Tissue by Graphite Furnace Atomic Absorption Spectrometry |
| ZHANG Yuan，LUO Wen-hong，LI Hui，SHEN Zhong-ying |
| Central Laboratories, Shantou University Medical College, Shantou 515031, China |
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Abstract As2O3 was injected into tumour tissue of esophagoscope-transplant mouse. The concentration of As diffusing into other tissues was investigated. A method was proposed for the determination of As in tissue samples of mouse by graphite furnace atomic absorption spectrometry. After wet digestion (water-bath at 80℃) with 2∶1∶1(φ) of HNO3-H2SO4-HClO4, the digested tissue samples of mouse were diluted with 0.2% Triton X-100-0.4% AgNO3. The matrix-matching calibration curve of non-interference was established with standard addition method. The relative standard deviation was 3.2％-8.7%. The limit of detection was 1.57 μg·L-1. The recoveries were 81.７％-105％ Arsenic concentrations in mouse liver, kidney, brain, left-chest, and right-chest were determined after injection of arsenic at different times.
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Received: 2003-01-21
Accepted: 2003-06-26
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Corresponding Authors:
ZHANG Yuan
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| Cite this article: |
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ZHANG Yuan,LUO Wen-hong,LI Hui, et al. Determination of Arsenic in As2O3-Treated Esophagoscope-Transplant Mouse Tissue by Graphite Furnace Atomic Absorption Spectrometry [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(04): 487-490.
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| URL: |
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http://www.gpxygpfx.com/EN/Y2004/V24/I04/487 |
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