Distinguishing illegal cooking oils by ion chromatography with column-switching on-line sample pretreatment(柱切换在线前处理法鉴别地沟油的离子色谱研究)
建立了同时检测食用油及地沟油中的无机阴离子（F-、Cl-、）和有机酸(、)的离子色谱柱切换在线前处理方法.采用一根NG1反相色谱柱作为前处理柱在线去除样品中的水溶性有机基质，通过柱切换技术，由淋洗液将柱内富集的离子带至阴离子分析柱中分离，从而达到在线前处理的目的.在优化的色谱条件下，被分析离子浓度在0. 05〜10 mg • L-1时，线性相关系数均大于0. 999 0；进样量25 µL，方法的检出限为4〜41 µg • L-1 （信噪比S/N=3）；加标回收率在75. 6%〜87. 7%；相对标准偏差在0. 85%〜2. 34% (n=6)；实验结果表明，地沟油中甲酸和乙酸的含量明显高于食用...
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| Format: | Article |
| Language: | zho |
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Zhejiang University Press
2016-03-01
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| Series: | Zhejiang Daxue xuebao. Lixue ban |
| Subjects: | |
| Online Access: | https://doi.org/10.3785/j.issn.1008-9497.2016.02.017 |
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| author | ZHAOXunyan(赵训燕) NIChengzhu(倪承珠) ZHUBinhe(朱彬和) ZHANGPeimin(张培敏) ZHANGJiajie(张嘉捷) CHENSuqing(陈素清) ZHUYan(朱岩) |
| author_facet | ZHAOXunyan(赵训燕) NIChengzhu(倪承珠) ZHUBinhe(朱彬和) ZHANGPeimin(张培敏) ZHANGJiajie(张嘉捷) CHENSuqing(陈素清) ZHUYan(朱岩) |
| author_sort | ZHAOXunyan(赵训燕) |
| collection | DOAJ |
| description | 建立了同时检测食用油及地沟油中的无机阴离子（F-、Cl-、）和有机酸(、)的离子色谱柱切换在线前处理方法.采用一根NG1反相色谱柱作为前处理柱在线去除样品中的水溶性有机基质，通过柱切换技术，由淋洗液将柱内富集的离子带至阴离子分析柱中分离，从而达到在线前处理的目的.在优化的色谱条件下，被分析离子浓度在0. 05〜10 mg • L-1时，线性相关系数均大于0. 999 0；进样量25 µL，方法的检出限为4〜41 µg • L-1 （信噪比S/N=3）；加标回收率在75. 6%〜87. 7%；相对标准偏差在0. 85%〜2. 34% (n=6)；实验结果表明，地沟油中甲酸和乙酸的含量明显高于食用油.本方法对食用油和地沟油的鉴别具有较好的实用价值，适用于食用油及地沟油中常规阴离子和有机酸的同步检测，具有快速、灵敏、选择性好等优点. |
| first_indexed | 2024-04-24T16:54:06Z |
| format | Article |
| id | doaj.art-91576474f37349ccb545ce96dbd38be1 |
| institution | Directory Open Access Journal |
| issn | 1008-9497 |
| language | zho |
| last_indexed | 2024-04-24T16:54:06Z |
| publishDate | 2016-03-01 |
| publisher | Zhejiang University Press |
| record_format | Article |
| series | Zhejiang Daxue xuebao. Lixue ban |
| spelling | doaj.art-91576474f37349ccb545ce96dbd38be12024-03-29T01:58:35ZzhoZhejiang University PressZhejiang Daxue xuebao. Lixue ban1008-94972016-03-0143222022510.3785/j.issn.1008-9497.2016.02.017Distinguishing illegal cooking oils by ion chromatography with column-switching on-line sample pretreatment(柱切换在线前处理法鉴别地沟油的离子色谱研究)ZHAOXunyan(赵训燕)0https://orcid.org/0000-0002-9731-991XNIChengzhu(倪承珠)1ZHUBinhe(朱彬和)2ZHANGPeimin(张培敏)3ZHANGJiajie(张嘉捷)4CHENSuqing(陈素清)5ZHUYan(朱岩)6 1.Department of Chemistry, Zhejiang University, Hangzhou 310028, China( 1.浙江大学化学系，浙江 杭州 310028) 1.Department of Chemistry, Zhejiang University, Hangzhou 310028, China( 1.浙江大学化学系，浙江 杭州 310028) 1.Department of Chemistry, Zhejiang University, Hangzhou 310028, China( 1.浙江大学化学系，浙江 杭州 310028) 1.Department of Chemistry, Zhejiang University, Hangzhou 310028, China( 1.浙江大学化学系，浙江 杭州 310028) 1.Department of Chemistry, Zhejiang University, Hangzhou 310028, China( 1.浙江大学化学系，浙江 杭州 310028) 3.School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 317000, Zhejiang Province, China( 3.台州学院制药与化学工程学院，浙江 台州 317000) 1.Department of Chemistry, Zhejiang University, Hangzhou 310028, China( 1.浙江大学化学系，浙江 杭州 310028)建立了同时检测食用油及地沟油中的无机阴离子（F-、Cl-、）和有机酸(、)的离子色谱柱切换在线前处理方法.采用一根NG1反相色谱柱作为前处理柱在线去除样品中的水溶性有机基质，通过柱切换技术，由淋洗液将柱内富集的离子带至阴离子分析柱中分离，从而达到在线前处理的目的.在优化的色谱条件下，被分析离子浓度在0. 05〜10 mg • L-1时，线性相关系数均大于0. 999 0；进样量25 µL，方法的检出限为4〜41 µg • L-1 （信噪比S/N=3）；加标回收率在75. 6%〜87. 7%；相对标准偏差在0. 85%〜2. 34% (n=6)；实验结果表明，地沟油中甲酸和乙酸的含量明显高于食用油.本方法对食用油和地沟油的鉴别具有较好的实用价值，适用于食用油及地沟油中常规阴离子和有机酸的同步检测，具有快速、灵敏、选择性好等优点.https://doi.org/10.3785/j.issn.1008-9497.2016.02.017离子色谱柱切换常规阴离子有机酸 |
| spellingShingle | ZHAOXunyan(赵训燕) NIChengzhu(倪承珠) ZHUBinhe(朱彬和) ZHANGPeimin(张培敏) ZHANGJiajie(张嘉捷) CHENSuqing(陈素清) ZHUYan(朱岩) Distinguishing illegal cooking oils by ion chromatography with column-switching on-line sample pretreatment(柱切换在线前处理法鉴别地沟油的离子色谱研究) Zhejiang Daxue xuebao. Lixue ban 离子色谱 柱切换 常规阴离子 有机酸 |
| title | Distinguishing illegal cooking oils by ion chromatography with column-switching on-line sample pretreatment(柱切换在线前处理法鉴别地沟油的离子色谱研究) |
| title_full | Distinguishing illegal cooking oils by ion chromatography with column-switching on-line sample pretreatment(柱切换在线前处理法鉴别地沟油的离子色谱研究) |
| title_fullStr | Distinguishing illegal cooking oils by ion chromatography with column-switching on-line sample pretreatment(柱切换在线前处理法鉴别地沟油的离子色谱研究) |
| title_full_unstemmed | Distinguishing illegal cooking oils by ion chromatography with column-switching on-line sample pretreatment(柱切换在线前处理法鉴别地沟油的离子色谱研究) |
| title_short | Distinguishing illegal cooking oils by ion chromatography with column-switching on-line sample pretreatment(柱切换在线前处理法鉴别地沟油的离子色谱研究) |
| title_sort | distinguishing illegal cooking oils by ion chromatography with column switching on line sample pretreatment 柱切换在线前处理法鉴别地沟油的离子色谱研究 |
| topic | 离子色谱 柱切换 常规阴离子 有机酸 |
| url | https://doi.org/10.3785/j.issn.1008-9497.2016.02.017 |
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