湿法消解_原子荧光法测定竹笋中的微量硒_刘云.pdfVIP

26　 3 　　　　　 Vol. 26, No. 3 　　　　　　　 2 0 0 7 8 　　　　　　　　Au . , 2 0 0 7 JO URN AL O F BAM BOO RESEARCH 湿法消解—原子荧光法测定竹笋中的微量硒 * 刘　云　谢锦忠 　屈明华　张　玮 (, 311400) 　　-。,。 ,99. 12% 81. 25%。 ,, ,。 　;; ; The Determination of Trace Selenium of Bamboo Shoots by Wet Digestion and Atomic Fluorescence Spectrophotometry Liu Yun　Xie Jinzhon 　Qu Min hua　Zhan Wei ( , , 311400, , ) Research Institute of Subtropical Forestry CAF Fuyan Zhejian Ch ina Abstract　 The bamboo shoots w ere di ested by w et di estion, and selenium in bamboo shoots was determined by Atomic Fluorescence Spectrometer. It w as show ed that this . method w as simple with ood accuracy and ood sensitivity The optimum conditions for determinin the ross selenium in bamboo shoots were identified, and retrievin rates w ere determined twice, the result w as 99. 12% and 81. 25% respectively. Wet di estion . - is widely used in the di estion of biolo ical samples To contrast with hi h pressured , di estion and microw ave di estion technolo y a new ly approvin process of w et di estion of samples with hi h or anic matter content such as bamboo shoots w as found. 　 ; ; ; Key words Selenium Atomic fluorescence Wet di estion Bamboo shoot 　　 ,- ,, , 99. 12% -1 , 5 ·