小波变换辅助的塑料膜增塑剂含量气相色谱-质谱同时测定
Simultaneous determination by gas chromatographic-mass spectrometric analysis of plasticizers in plastic film assisted by continuous wavelet transform
-
摘要: 以正己烷为提取剂采用均质-超声法提取PVC塑料膜中的增塑剂,以气相色谱-质谱法(GC-MS)同时测定9种增塑剂含量,其中邻苯二甲酸二异壬酯(DINP)和邻苯二甲酸二异癸酯(DIDP) 2种增塑剂的总离子流图所对应的色谱峰重叠严重,利用连续小波变换(CWT)对重叠严重的色谱峰进行解析,结果其色谱峰得到良好分离.CWT辅助解析重叠色谱的均质-超声提取GC-MS法为PVC膜中多种增塑剂同时测定提供了新途径.Abstract: Plasticizers in PVC plastic films were extracted by homogeneous-ultrasonic using hexane as the solvent.Using gas chromatography-mass spectrometry (GC-MS) determination of nine plasticizers in PVC films,the total ion current (TIC) chromatograms of diisononyl phthalate (DINP) and diisononyl phthalate (DINP) were seriously overlapped.For resolution of the overlapped TIC chromatograms of DINP and DIDP,continuous wavelet transform (CWT) was introduced.The results showed that they overlapped peaks were well separated.The proposed CWT assisted homogeneous-ultrasonic extraction and GC-MS analysis provides an alternative novel way for simultaneous determination of multiple plasticizers in PVC films.
-
-
[1]
石维维,保庭毅.邻苯二甲酸酯类对雄性生殖系统的毒性作用[J].第四军医大学学报,2006,27(22):2109.
-
[2]
Yang L,Gao Y H,Zu Y G,et al.Epigallocatechin gallate content change of the fresh tea leaf homogenates extracted by different methods in extraction and preservation[J].J of Forestry Research,2006,17(4):329.
-
[3]
钟汉左,梁勇,胡江涌,等.高压均质提取山楂叶有效成分[J].精细化工,2007,24(9):890.
-
[4]
邵学广,孙培艳,蔡文生,等.小波变换及其在色谱重叠峰解析中的应用[J].分析化学,1997,23(6):67.
-
[5]
王国庆,马威,孙雨安,等.连续小波变换-纯变量法解析气相色谱-质谱重叠信号[J].郑州轻工业学院学报:自然科学版,2006,21(1):12.
-
[6]
董进义,孟晓玲,王国庆.连续小波变换-支持向量回归-紫外分光光度法测定多组分B族微生素含量[J].河南师范大学学报:自然科学版,2006,34(1):82.
-
[1]
计量
- PDF下载量: 29
- 文章访问数: 971
- 引证文献数: 0