The content of selenium in gardenia jasminoides was determined by microwave digestion and atomic fluorescence spectrometry.The results showed that 0.300 0 g of gardenia samples could be completely dissolved with 8 mL of nitric acid and 2 mL of hydrogen peroxide,and the fluorescence intensity was good.The detection limit was 0.050 5 ng·mL-1,the precision was 3.0%,and the recoveries were 96.80%～100.34%.The method has high accuracy and sensitivity.
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