Quantitative analysis of organic additive content in a polymer by ToF-SIMS with PCA

被引：12
|
作者：
Ito, Hidemi [1 ]
Kono, Teiichiro [1 ]
机构：
[1] Asahi Kasei Corp, Anal & Simulat Ctr, Shizuoka 4168501, Japan
来源：
APPLIED SURFACE SCIENCE | 2008年 / 255卷 / 04期
关键词：
ToF-SIMS; PCA; Decomposition; Quantitative analysis; Stearic acid; Irganox; 3114;
D O I：
10.1016/j.apsusc.2008.05.080
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：
Quantitative analysis of organic materials by ToF-SIMS is intrinsically difficult because of their tendency to decompose under ion irradiation. In this study, we applied principal component analysis (PCA) as a means of compensation for the spectral degradation caused by this decomposition and thus improve the accuracy of the quantitative analysis, using as models two organic additives of quite different composition and vulnerability to decomposition under ion irradiation, in polystyrene. This enables the extraction of a principal component related to their content that is independent of the decomposition. The effectiveness of this approach in quantitative analysis of organic additives content in polymers without loss in accuracy due to spectral degradation will be discussed. (C) 2008 Elsevier B. V. All rights reserved.
引用
收藏
页码：1044 / 1047
页数：4
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