氧弹燃烧-离子色谱法测定食用油中离子含量(6)

应用氧弹燃烧-离子色谱法测定食用油中氟含量。食用油在过量氧气的氧弹中完全燃烧,释放的氟离子被吸收液吸收后,采用离子色谱法测定溶液中氟离子。本方法对样品的前处理以及色谱条件等进行了考察,最佳实验条件为：食用油在氧弹燃烧时氧气压力为1.0MPa;吸收液为Na2CO3溶液2mL;淋洗液为碳酸盐混合液,流速为1.0 mL/min;再生液为50 mmol/L H2SO4。氟离子在0.1～100μg/g范围内线性关系良好,标准曲线相关系数为0.9996; 方法的相对

17(9): 1634-1635.

[6] Hang Y, Liu J. Determination of fluoride by an ion chromatography system using the preconcentration on nanometer-size zirconia [J].Journal of Analytical Chemistry, 2007,62(6)： 583-587.

[7] Borre mans M, Van Loco J, VanDen Meerssche P, et al .Analysis of fluoride in toothpastes on the Belgian market [J]. International Journal of Cosmetic Science, 2008, 30(2): 145-152.

[8] Hao Fuping, Haddad Pau, l Ruther Thomas. IC Determination of Halide Impurities in Ionic Liquids [ J]. Chromatographia, 2008, 67(5-6): 495-498.

[9] 陈剑刚,吕姝清,阮永逍.血清总氟的石墨炉分子吸收光谱法研究[J].中国卫生检验杂志, 1999, 9(5): 336-338.

[10] Kage Shigetosh, Kudo Keiko, Nishida Naoki et al Determination of fluoride in human whole blood and urine by gas chromatography-mass spectrometry[J]. Forensic Toxicology, 2008, 26(1): 23-26.

[11] Sakayanagi M, Yamada Y, Sakabe C, et al Identification cation of inorganic anions by gas chromatography/mass spectrometry[J]. Forensic Science International 2006, 157(2-3): 134-143.

搜索“diyifanwen.net”或“第一范文网”即可找到本站免费阅读全部范文。收藏本站方便下次阅读，第一范文网，提供最新外语学习氧弹燃烧-离子色谱法测定食用油中离子含量(6)全文阅读和word下载服务。