Determination of inorganic tin in biological samples by hydride generation-atomic absorption spectrometry after silica gel cleanup |
| |
Authors: | T Tsuda M Wada S Aoki Y Matsui |
| |
Institution: | Shiga Prefectural Institute of Public Health and Environmental Science, Japan. |
| |
Abstract: | A method is described for the determination of inorganic tin in biological samples by hydride generation-atomic absorption spectrometry (HG-AAS). A sample is extracted with ethyl acetate after addition of HCl and NaCl. The concentrated extract is passed through a silica gel column. The column is washed with ethanol, water, and 0.2N HCl successively, and then inorganic tin is eluted with 2N HCl and measured by HG-AAS. Recoveries from fish muscle spiked with 0.1 micrograms/g Sn4+ are 78.9 +/- 4.2% (average +/- standard deviation, n = 5). The detection limit is 0.01 micrograms/g as Sn. |
| |
Keywords: | |
|
|