| 食用植物油中残留溶剂的气相色谱分离与测定 |
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| 引用本文： | 吕 卓,张秉华,王 莉,等.食用植物油中残留溶剂的气相色谱分离与测定[J].西北药学杂志,2014(1):24-27. |
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| 作者姓名： | 吕 卓 张秉华 王 莉 等 |
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| 作者单位： | [1]西安交通大学药学院,西安710061 [2]陕西省食品药品检验所,西安710061 |
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| 摘 要： | 目的建立食用植物油中正己烷、环己烷残留量的含量测定方法。方法样品用N,N-二甲基甲酰胺溶解后,利用气相色谱法,顶空进样对样品进行测试。结果正己烷质量浓度(X)在5.260157.8mg·L-1范围内与峰面积积分值(Y)回归线性方程:Y=0.412 2 X+1.294 8,r=0.999 8,线性关系良好;环己烷质量浓度(X)在4.218157.8mg·L-1范围内与峰面积积分值(Y)回归线性方程:Y=0.412 2 X+1.294 8,r=0.999 8,线性关系良好;环己烷质量浓度(X)在4.218126.5mg·L-1的范围内,与峰面积积分值(Y)回归线性方程:Y=0.257 5 X+0.857 3,r=0.999 8,线性关系良好;平均回收率正己烷为99.0%,RSD为0.6%;环己烷为98.8%,RSD为0.8%。结论该方法准确、可靠、简便,可用于测定食用植物油中正己烷和环己烷残留量的检测。
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| 关 键 词： | 植物油 残留溶剂 气相色谱法 分离 |
Isolation and determination of residual solvents in vegetable oils by GC |
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| LU Zhuo,ZHANG Binghua,WANG Li,FU Qiang.Isolation and determination of residual solvents in vegetable oils by GC[J].Northwest Pharmaceutical Journal,2014(1):24-27. |
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| Authors: | LU Zhuo ZHANG Binghua WANG Li FU Qiang |
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| Institution: | 1. School of Pharmacy, Xi＇ an Jiaotong University, Xi＇ an 710061, China ; 2. Shaanxi Institute for Food and Drug Control,Xi＇an 710061 ,China) |
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| Abstract: | Abstract： Obj ective To establish a method for detecting hexane and cyclohexane residual in vegetable oils.Methods The samples were dissolved in dimethyl formamide,and were tested by headspace GC.Results The linear range of hexane was 5.260-157.8 mg·L-1 （r=0.999 8）;The average recovery was 99.0% with RSD 0.6%（n=6）.The linear range of cyclohexane was 4.218-126.5 mg·L-1 （r=0.999 8）;The average recovery was 98.8% with RSD 0.8%（n=6）.Conclusion The method is accurate,re-liable and simple,and it could be used for the determination of hexane and cyclohexane residual in vegetable oils. |
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| Keywords: | vegetable oils residual solvents GC separation |
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