气相色谱-质谱法测定植物油中壬基酚含量
目的 建立气相色谱-质谱法(gas chromatography-mass spectrometry,GC-MS)检测植物油中壬基酚(4-nonylphenol,4-NP)的分析方法,了解市售植物油中壬基酚的污染状况.方法 样品加入乙腈提取液,超声提取、固相萃取柱净化、七氟丁酸酐衍生化后,采用GC-MS进行检测,同位素内标法定量.结果 在线性范围5～200μg/kg内,方法回归方程为Y=7.78×10-3X,相关系数为0.9991.方法 的检出限为3.0μg/kg,定量限9.8μg/kg.加标回收率范围为75.7％～107.4％,相对标准偏差(relative standard deviati...
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| Published in | 食品安全质量检测学报 Vol. 12; no. 5; pp. 1705 - 1710 |
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| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
河北省疾病预防控制中心, 石家庄 050021
2021
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| Subjects | |
| Online Access | Get full text |
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| Abstract | 目的 建立气相色谱-质谱法(gas chromatography-mass spectrometry,GC-MS)检测植物油中壬基酚(4-nonylphenol,4-NP)的分析方法,了解市售植物油中壬基酚的污染状况.方法 样品加入乙腈提取液,超声提取、固相萃取柱净化、七氟丁酸酐衍生化后,采用GC-MS进行检测,同位素内标法定量.结果 在线性范围5～200μg/kg内,方法回归方程为Y=7.78×10-3X,相关系数为0.9991.方法 的检出限为3.0μg/kg,定量限9.8μg/kg.加标回收率范围为75.7％～107.4％,相对标准偏差(relative standard deviation,RSD)为5.5％～9.7％.共检测50份市售植物油样品,其中26份植物油样品检出4-NP,检出率为52％,含量范围为3.21～28.2μg/kg,中位值为3.63μg/kg.结论 此方法灵敏度较高,可用于植物油中4-NP的准确定量.检测数据表明,植物油样品壬基酚检出率较高,因此对其含量的监测不容忽视. |
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| AbstractList | 目的 建立气相色谱-质谱法(gas chromatography-mass spectrometry,GC-MS)检测植物油中壬基酚(4-nonylphenol,4-NP)的分析方法,了解市售植物油中壬基酚的污染状况.方法 样品加入乙腈提取液,超声提取、固相萃取柱净化、七氟丁酸酐衍生化后,采用GC-MS进行检测,同位素内标法定量.结果 在线性范围5～200μg/kg内,方法回归方程为Y=7.78×10-3X,相关系数为0.9991.方法 的检出限为3.0μg/kg,定量限9.8μg/kg.加标回收率范围为75.7％～107.4％,相对标准偏差(relative standard deviation,RSD)为5.5％～9.7％.共检测50份市售植物油样品,其中26份植物油样品检出4-NP,检出率为52％,含量范围为3.21～28.2μg/kg,中位值为3.63μg/kg.结论 此方法灵敏度较高,可用于植物油中4-NP的准确定量.检测数据表明,植物油样品壬基酚检出率较高,因此对其含量的监测不容忽视. |
| Author | 陈福尊 云鹏 王丽英 刘印平 路杨 |
| AuthorAffiliation | 河北省疾病预防控制中心, 石家庄 050021 |
| AuthorAffiliation_xml | – name: 河北省疾病预防控制中心, 石家庄 050021 |
| Author_FL | WANG Li-Ying YUN Peng CHEN Fu-Zun LIU Yin-Ping LU Yang |
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| Author_xml | – sequence: 1 fullname: 云鹏 – sequence: 2 fullname: 路杨 – sequence: 3 fullname: 刘印平 – sequence: 4 fullname: 陈福尊 – sequence: 5 fullname: 王丽英 |
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| DocumentTitle_FL | Determination of 4-nonylphenol in vegetable oil by gas chromatography-mass spectrometry |
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| Issue | 5 |
| Keywords | 衍生 壬基酚 植物油 同位素内标 气相色谱-质谱法 |
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| PublicationTitle | 食品安全质量检测学报 |
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| Publisher | 河北省疾病预防控制中心, 石家庄 050021 |
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| Title | 气相色谱-质谱法测定植物油中壬基酚含量 |
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