Application of Principal Component Analysis to DART-TOFMS Determination of Writing Age of Gel Ink Pen
摘 要
采用实时直接分析飞行时间质谱法,对同一种墨水6个不同时间书写的48个样本字迹进行分析,建立其质谱指纹图谱,再运用主成分分析法对数据进行投影.结果表明:48个样本字迹被分为6类,与已知的样本字迹形成时间分类一致.采用所建立的主成分投影,识别6个未知样本,结果达到分离聚类.
Abstract
DART-TOFMS was used to analyze 48 handwriting samples made with the same type of ink at 6 different periods of time.The MS finger-print spectra were established and the projected data were further analyzed by principal component analysis methodology.It was found that the 48 samples could be categorized into 6 different types,which were consistent with the sample categories known to be classified by writing age.The established principal component projection was used to identify 6 unknown samples and a satisfactory result had been attained.
中图分类号 O657.63
所属栏目 试验与研究
基金项目 上海市科学技术委员会国内合作项目(13595810400)
收稿日期 2014/10/8
修改稿日期
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作者单位点击查看
联系人作者吕小宝(yrzhang@126.com)
备注吕小宝(1978-),男,陕西黄陵人,高级工程师,硕士,主要从事理化检验工作.
引用该论文: LV Xiao-bao,LIAN Ru,DAI Wei,WANG Ying,ZHANG Yu-rong. Application of Principal Component Analysis to DART-TOFMS Determination of Writing Age of Gel Ink Pen[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2015, 51(5): 577~580
吕小宝,连茹,戴维,王莹,张玉荣. 主成分分析用于实时直接分析飞行时间质谱法判定中性笔字迹的形成时间[J]. 理化检验-化学分册, 2015, 51(5): 577~580
被引情况:
【1】连茹,吴忠平,吕小宝,汪蓉,倪春芳,张玉荣, "实时直接分析离子源-飞行时间质谱法快速筛查安非他明类物质",理化检验-化学分册 52, 1-6(2016)
【2】牛凡,黄建同,何森, "化学计量学在油墨分析中的应用",理化检验-化学分册 52, 1478-1482(2016)
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参考文献
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【3】彭奇,林祥,张旭东,等.热重-质谱法研究蓝色签字笔墨水的人为老化[J].质谱学报,2009,30(4):234-238.
【4】CODY R B,LARAMEE J A,NILLES J M,et al.Direct analysis in real time mass spectrometry[J].JEOL News,2005,40(1):1-5.
【5】MORLOCK G,UEDA Y.New coupling of planar chromatography with direct analysis in real time mass spectrometry[J].Journal of Chromatography A,2007,1143(1/2):243-251.
【6】SWIDER JOSEPH R.Optimizing accu time-of-flight/direct analysis in real time for explosive residue analysis[J].Forensic Sciences,2013,58(6):1601-1606.
【7】LESIAK A D,MUSAH R A,DOMIN M A,et al.DART-MS as a preliminary screening method for “herbal incense”: chemical analysis of synthetic cannabinoids[J].Forensic Sciences,2014,59(2):337-343.
【8】张佳玲,张伟,周志贵,等.采用实时直接分析质谱法原位快速鉴别茶叶[J].色谱,2011,29(7):681-686.
【9】刘占芳,李斌,徐建中,等.谱图准确度在高分辨飞行时间质谱分析有机炸药中的应用[J].质谱学报,2014,35(6),544-549.
【10】祁婉舒,张立,郭寅龙.实时直接分析质谱法快速鉴别天然驱蚊产品中的人工添加剂[J].有机化学,2013,33(2),359-364.
【11】许禄.化学计量学方法[M].北京:科学出版社,1995.
【12】李本祥,董新荣.主成分分析和二阶导数用于混合物含量的傅里叶变换中红外光谱测定[J].理化检验-化学分册,2013,49(11):1301-1304.
【13】李艳艳,孙多永,朱仲良,等.基于气相色谱-主成分分析的红木分类识别方法研究[J].计算机与应用化学,2010,27(2):237-240.
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