固相萃取-高效液相色谱-荧光检测法联合测定食品中苯并(a)芘
目的 采用固相萃取-高效液相色谱-荧光法(HPLC-FLD)联合测定食品中苯并(a)芘的含量.方法 根据不同样品基质对样品提取条件进行了优化,采用固相萃取柱净化,XbridgeTMC18色谱柱分离,外标法定量.结果 苯并(a)芘在0～100 ng/mL浓度范围内线性关系良好,相关系数r=0.9994.本方法的测定低限(S/N≥10):茶油、罗非鱼和猪肉为1.0 μg/kg,大米、包菜、茶叶、饮用水和橙汁为0.5 μg/kg;添加浓度为0.5 μg/kg～100.g/kg时,回收率范围为77.3％～93.2％,变异系数(n≥6)为0.65％～7.18％.结论 该方法前处理简单,分析时间短,具有良...
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| Published in | 食品安全质量检测学报 Vol. 3; no. 2; pp. 82 - 88 |
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| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
厦门出入境检验检疫局,厦门,361026%江西农业大学食品科学与工程学院,南昌,330045
2012
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| Subjects | |
| Online Access | Get full text |
| ISSN | 2095-0381 |
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| Abstract | 目的 采用固相萃取-高效液相色谱-荧光法(HPLC-FLD)联合测定食品中苯并(a)芘的含量.方法 根据不同样品基质对样品提取条件进行了优化,采用固相萃取柱净化,XbridgeTMC18色谱柱分离,外标法定量.结果 苯并(a)芘在0～100 ng/mL浓度范围内线性关系良好,相关系数r=0.9994.本方法的测定低限(S/N≥10):茶油、罗非鱼和猪肉为1.0 μg/kg,大米、包菜、茶叶、饮用水和橙汁为0.5 μg/kg;添加浓度为0.5 μg/kg～100.g/kg时,回收率范围为77.3％～93.2％,变异系数(n≥6)为0.65％～7.18％.结论 该方法前处理简单,分析时间短,具有良好的灵敏度和准确性,适用于各类食品中苯并(a)芘的测定. |
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| AbstractList | 目的 采用固相萃取-高效液相色谱-荧光法(HPLC-FLD)联合测定食品中苯并(a)芘的含量.方法 根据不同样品基质对样品提取条件进行了优化,采用固相萃取柱净化,XbridgeTMC18色谱柱分离,外标法定量.结果 苯并(a)芘在0～100 ng/mL浓度范围内线性关系良好,相关系数r=0.9994.本方法的测定低限(S/N≥10):茶油、罗非鱼和猪肉为1.0 μg/kg,大米、包菜、茶叶、饮用水和橙汁为0.5 μg/kg;添加浓度为0.5 μg/kg～100.g/kg时,回收率范围为77.3％～93.2％,变异系数(n≥6)为0.65％～7.18％.结论 该方法前处理简单,分析时间短,具有良好的灵敏度和准确性,适用于各类食品中苯并(a)芘的测定. TS201.6; 目的 采用固相萃取-高效液相色谱-荧光法(HPLC-FLD)联合测定食品中苯并(a)芘的含量.方法 根据不同样品基质对样品提取条件进行了优化,采用固相萃取柱净化,XbridgeTMC18色谱柱分离,外标法定量.结果 苯并(a)芘在0～100 ng/mL浓度范围内线性关系良好,相关系数r=0.9994.本方法的测定低限(S/N≥10):茶油、罗非鱼和猪肉为1.0 μg/kg,大米、包菜、茶叶、饮用水和橙汁为0.5 μg/kg;添加浓度为0.5 μg/kg～100.g/kg时,回收率范围为77.3％～93.2％,变异系数(n≥6)为0.65％～7.18％.结论 该方法前处理简单,分析时间短,具有良好的灵敏度和准确性,适用于各类食品中苯并(a)芘的测定. |
| Author | 吴敏;李政;黎翠玉;杨黎忠;徐敦明;周昱 |
| AuthorAffiliation | 厦门出入境检验检疫局,厦门,361026;江西农业大学食品科学与工程学院,南昌,330045 |
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| Author_FL | YANG Li-Zhong LI Cui-Yu XU Dun-Ming WU Min LI Zheng ZHOU Yu |
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| ClassificationCodes | TS201.6 |
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| Keywords | 食品 固相萃取 苯并(a)芘 高效液相色谱-荧光法 |
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| Publisher | 厦门出入境检验检疫局,厦门,361026%江西农业大学食品科学与工程学院,南昌,330045 |
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| SubjectTerms | 苯并(a)芘;食品;高效液相色谱-荧光法;固相萃取 |
| Title | 固相萃取-高效液相色谱-荧光检测法联合测定食品中苯并(a)芘 |
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