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作 者:李磊[1] 谢明勇[1] 孙振华[2] 吴熙鸿[2] 孙大海[2] 王小如[2]
机构地区:[1]南昌大学生命科学与食品工程学院,南昌330047 [2]厦门大学化学系现代分析科学教育部重点实验室,厦门361005
出 处:《高等学校化学学报》2000年第5期707-709,共3页Chemical Journal of Chinese Universities
基 金:国家自然科学重点基金!(批准号:29735160);江西省自然科学基金!(批准号:9920029);厦门大学化学系现代分析科学
摘 要:The study on the element transference characteristics and element speciation in the extract of Cyclocarya paliurus(Batal.) Iljinskaja leaves was performed by FIA-ICP-AES on the basis of C-18 bonded silica gel column separation and microwave digestion/extraction for sample treatment. Higher transfer ratio could be obtained by artificial gastric acid or with microwave extraction method. The contents of inorganic species and organic species of the four elements in the microwave extract at the temperature of 100℃ are as follows. Zn: (4. 46±0.13) μg/g and (8. 16±0. 15) μg/g; Mn: (35. 7±1.1) μg/g and (91. 2± 3.2μg/g); Mg: (156±9)μg/g and (513±11)μg/g; Fe: (3. 28±0.19)μg/g and (8. 43±1.15) μg/g, respectively.The study on the element transference characteristics and element speciation in the extract of Cyclocarya paliurus(Batal.) Iljinskaja leaves was performed by FIA-ICP-AES on the basis of C-18 bonded silica gel column separation and microwave digestion/extraction for sample treatment. Higher transfer ratio could be obtained by artificial gastric acid or with microwave extraction method. The contents of inorganic species and organic species of the four elements in the microwave extract at the temperature of 100℃ are as follows. Zn: (4. 46±0.13) μg/g and (8. 16±0. 15) μg/g; Mn: (35. 7±1.1) μg/g and (91. 2± 3.2μg/g); Mg: (156±9)μg/g and (513±11)μg/g; Fe: (3. 28±0.19)μg/g and (8. 43±1.15) μg/g, respectively.
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