Ablative analysis of black and colored toners using LA-ICP-TOF-MS for the forensic discrimination of photocopy and printer toners

被引：29
|
作者：
Szynkowska, M. I. [1 ]
Czerski, K. [1 ]
Paryjczak, T. [1 ]
Parczewski, A. [2 ,3 ]
机构：
[1] Tech Univ Lodz, Inst Gen & Ecol Chem, PL-90924 Lodz, Poland
[2] Jagiellonian Univ, Dept Chem, PL-30060 Krakow, Poland
[3] Inst Forens Res, PL-31033 Krakow, Poland
来源：
SURFACE AND INTERFACE ANALYSIS | 2010年 / 42卷 / 05期
关键词：
toners; isotopic analysis; laser ablation (LA); inductively coupled plasma time-of-flight mass spectrometry (ICP-TOF-MS); chemometric data handling; THIN-LAYER-CHROMATOGRAPHY; CAPILLARY-ELECTROPHORESIS; FTIR SPECTROSCOPY; PEN INKS; SPECTROMETRY; CLASSIFICATION; DOCUMENTS;
D O I：
10.1002/sia.3194
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Photocopy and printer toners were analyzed using ICP-TOF-MS (inductively coupled plasma time-of-flight mass spectrometry) with laser ablation (LA). Isotopic analysis of black and colored toners allows identification and discrimination of covering materials from different producers. The results of 201 samples of black toners were analyzed according to the following chemometric methods: cluster analysis (CA) and principal component analysis (PCA). In addition, 23 samples of colored toners were tested. Chemometric manipulation of the elemental mass spectra obtained using the 'Fingerprinting OptiMass 9500' program showed an effective system for the rapid comparative analysis of unknown samples. Copyright (C) 2010 John Wiley & Sons, Ltd.
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收藏
页码：429 / 437
页数：9
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